Home / 1,053,001.20-1,579,501.80-1,011,666.90

Finding the Fourth Proportional to 1,053,001.20, 1,579,501.80 and 1,011,666.90

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Solution

The fourth proportional to 1,053,001.20, 1,579,501.80 and 1,011,666.90 is: 1,517,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,001.20 : 1,579,501.80 = 1,011,666.90 : x
  2. Step 2: Convert to fraction form
    1,053,001.20/1,579,501.80 = 1,011,666.90/x
  3. Step 3: Cross multiply
    1,053,001.20x = 1,579,501.80 × 1,011,666.90
  4. Step 4: Simplify right side
    1,053,001.20x = 1,597,929,689,550.42
  5. Step 5: Solve for x
    x = 1,597,929,689,550.42/1,053,001.20
  6. Step 6: Final answer
    x = 1,517,500.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.