Home / 977,312.31-1,348,674.08-547,591.11

Finding the Fourth Proportional to 977,312.31, 1,348,674.08 and 547,591.11

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Solution

The fourth proportional to 977,312.31, 1,348,674.08 and 547,591.11 is: 755,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,312.31 : 1,348,674.08 = 547,591.11 : x
  2. Step 2: Convert to fraction form
    977,312.31/1,348,674.08 = 547,591.11/x
  3. Step 3: Cross multiply
    977,312.31x = 1,348,674.08 × 547,591.11
  4. Step 4: Simplify right side
    977,312.31x = 738,521,933,757.47
  5. Step 5: Solve for x
    x = 738,521,933,757.47/977,312.31
  6. Step 6: Final answer
    x = 755,666.26

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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.