Home / 679,581.61-937,826.11-373,677.71

Finding the Fourth Proportional to 679,581.61, 937,826.11 and 373,677.71

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Solution

The fourth proportional to 679,581.61, 937,826.11 and 373,677.71 is: 515,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,581.61 : 937,826.11 = 373,677.71 : x
  2. Step 2: Convert to fraction form
    679,581.61/937,826.11 = 373,677.71/x
  3. Step 3: Cross multiply
    679,581.61x = 937,826.11 × 373,677.71
  4. Step 4: Simplify right side
    679,581.61x = 350,444,713,163.01
  5. Step 5: Solve for x
    x = 350,444,713,163.01/679,581.61
  6. Step 6: Final answer
    x = 515,677.16

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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.