Home / 916,140.51-1,374,218.07-376,257.69

Finding the Fourth Proportional to 916,140.51, 1,374,218.07 and 376,257.69

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Solution

The fourth proportional to 916,140.51, 1,374,218.07 and 376,257.69 is: 564,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,140.51 : 1,374,218.07 = 376,257.69 : x
  2. Step 2: Convert to fraction form
    916,140.51/1,374,218.07 = 376,257.69/x
  3. Step 3: Cross multiply
    916,140.51x = 1,374,218.07 × 376,257.69
  4. Step 4: Simplify right side
    916,140.51x = 517,060,116,574.46
  5. Step 5: Solve for x
    x = 517,060,116,574.46/916,140.51
  6. Step 6: Final answer
    x = 564,389.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.