Home / 731,178.99-1,009,280.65-502,493.28

Finding the Fourth Proportional to 731,178.99, 1,009,280.65 and 502,493.28

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Solution

The fourth proportional to 731,178.99, 1,009,280.65 and 502,493.28 is: 693,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,178.99 : 1,009,280.65 = 502,493.28 : x
  2. Step 2: Convert to fraction form
    731,178.99/1,009,280.65 = 502,493.28/x
  3. Step 3: Cross multiply
    731,178.99x = 1,009,280.65 × 502,493.28
  4. Step 4: Simplify right side
    731,178.99x = 507,156,744,259.03
  5. Step 5: Solve for x
    x = 507,156,744,259.03/731,178.99
  6. Step 6: Final answer
    x = 693,615.04

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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.