Home / 977,644.90-1,349,148.17-547,924.91

Finding the Fourth Proportional to 977,644.90, 1,349,148.17 and 547,924.91

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Solution

The fourth proportional to 977,644.90, 1,349,148.17 and 547,924.91 is: 756,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,644.90 : 1,349,148.17 = 547,924.91 : x
  2. Step 2: Convert to fraction form
    977,644.90/1,349,148.17 = 547,924.91/x
  3. Step 3: Cross multiply
    977,644.90x = 1,349,148.17 × 547,924.91
  4. Step 4: Simplify right side
    977,644.90x = 739,231,894,366.60
  5. Step 5: Solve for x
    x = 739,231,894,366.60/977,644.90
  6. Step 6: Final answer
    x = 756,135.38

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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.