Home / 938,877.16-1,295,705.28-531,015.16

Finding the Fourth Proportional to 938,877.16, 1,295,705.28 and 531,015.16

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Solution

The fourth proportional to 938,877.16, 1,295,705.28 and 531,015.16 is: 732,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,877.16 : 1,295,705.28 = 531,015.16 : x
  2. Step 2: Convert to fraction form
    938,877.16/1,295,705.28 = 531,015.16/x
  3. Step 3: Cross multiply
    938,877.16x = 1,295,705.28 × 531,015.16
  4. Step 4: Simplify right side
    938,877.16x = 688,039,146,572.05
  5. Step 5: Solve for x
    x = 688,039,146,572.05/938,877.16
  6. Step 6: Final answer
    x = 732,831.91

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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.