Home / 839,948.76-1,159,229.16-530,301.24

Finding the Fourth Proportional to 839,948.76, 1,159,229.16 and 530,301.24

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Solution

The fourth proportional to 839,948.76, 1,159,229.16 and 530,301.24 is: 731,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,948.76 : 1,159,229.16 = 530,301.24 : x
  2. Step 2: Convert to fraction form
    839,948.76/1,159,229.16 = 530,301.24/x
  3. Step 3: Cross multiply
    839,948.76x = 1,159,229.16 × 530,301.24
  4. Step 4: Simplify right side
    839,948.76x = 614,740,660,992.16
  5. Step 5: Solve for x
    x = 614,740,660,992.16/839,948.76
  6. Step 6: Final answer
    x = 731,878.76

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Half scale
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Double scale
Find fourth proportional to 839,949.76, 1,159,230.54 and 530,302.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.