Home / 656,581.24-906,503.80-411,901.46

Finding the Fourth Proportional to 656,581.24, 906,503.80 and 411,901.46

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Solution

The fourth proportional to 656,581.24, 906,503.80 and 411,901.46 is: 568,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,581.24 : 906,503.80 = 411,901.46 : x
  2. Step 2: Convert to fraction form
    656,581.24/906,503.80 = 411,901.46/x
  3. Step 3: Cross multiply
    656,581.24x = 906,503.80 × 411,901.46
  4. Step 4: Simplify right side
    656,581.24x = 373,390,238,715.55
  5. Step 5: Solve for x
    x = 373,390,238,715.55/656,581.24
  6. Step 6: Final answer
    x = 568,688.56

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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.