Home / 977,564.11-1,349,081.15-541,953.71

Finding the Fourth Proportional to 977,564.11, 1,349,081.15 and 541,953.71

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Solution

The fourth proportional to 977,564.11, 1,349,081.15 and 541,953.71 is: 747,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,564.11 : 1,349,081.15 = 541,953.71 : x
  2. Step 2: Convert to fraction form
    977,564.11/1,349,081.15 = 541,953.71/x
  3. Step 3: Cross multiply
    977,564.11x = 1,349,081.15 × 541,953.71
  4. Step 4: Simplify right side
    977,564.11x = 731,139,534,333.57
  5. Step 5: Solve for x
    x = 731,139,534,333.57/977,564.11
  6. Step 6: Final answer
    x = 747,919.78

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Double scale
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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.