Home / 679,500.11-937,710.76-373,581.70

Finding the Fourth Proportional to 679,500.11, 937,710.76 and 373,581.70

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Solution

The fourth proportional to 679,500.11, 937,710.76 and 373,581.70 is: 515,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,500.11 : 937,710.76 = 373,581.70 : x
  2. Step 2: Convert to fraction form
    679,500.11/937,710.76 = 373,581.70/x
  3. Step 3: Cross multiply
    679,500.11x = 937,710.76 × 373,581.70
  4. Step 4: Simplify right side
    679,500.11x = 350,311,575,616.91
  5. Step 5: Solve for x
    x = 350,311,575,616.91/679,500.11
  6. Step 6: Final answer
    x = 515,543.07

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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.