Home / 917,395.32-1,266,191.82-530,227.20

Finding the Fourth Proportional to 917,395.32, 1,266,191.82 and 530,227.20

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Solution

The fourth proportional to 917,395.32, 1,266,191.82 and 530,227.20 is: 731,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,395.32 : 1,266,191.82 = 530,227.20 : x
  2. Step 2: Convert to fraction form
    917,395.32/1,266,191.82 = 530,227.20/x
  3. Step 3: Cross multiply
    917,395.32x = 1,266,191.82 × 530,227.20
  4. Step 4: Simplify right side
    917,395.32x = 671,369,343,381.50
  5. Step 5: Solve for x
    x = 671,369,343,381.50/917,395.32
  6. Step 6: Final answer
    x = 731,821.20

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Double scale
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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.