Home / 762,931.79-1,053,719.67-502,451.50

Finding the Fourth Proportional to 762,931.79, 1,053,719.67 and 502,451.50

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Solution

The fourth proportional to 762,931.79, 1,053,719.67 and 502,451.50 is: 693,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,931.79 : 1,053,719.67 = 502,451.50 : x
  2. Step 2: Convert to fraction form
    762,931.79/1,053,719.67 = 502,451.50/x
  3. Step 3: Cross multiply
    762,931.79x = 1,053,719.67 × 502,451.50
  4. Step 4: Simplify right side
    762,931.79x = 529,443,026,136.71
  5. Step 5: Solve for x
    x = 529,443,026,136.71/762,931.79
  6. Step 6: Final answer
    x = 693,958.53

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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.