Home / 731,547.86-1,009,384.79-502,021.41

Finding the Fourth Proportional to 731,547.86, 1,009,384.79 and 502,021.41

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Solution

The fourth proportional to 731,547.86, 1,009,384.79 and 502,021.41 is: 692,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,547.86 : 1,009,384.79 = 502,021.41 : x
  2. Step 2: Convert to fraction form
    731,547.86/1,009,384.79 = 502,021.41/x
  3. Step 3: Cross multiply
    731,547.86x = 1,009,384.79 × 502,021.41
  4. Step 4: Simplify right side
    731,547.86x = 506,732,773,456.36
  5. Step 5: Solve for x
    x = 506,732,773,456.36/731,547.86
  6. Step 6: Final answer
    x = 692,685.75

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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.