Home / 1,042,646.20-1,566,302.10-1,000,137.40

Finding the Fourth Proportional to 1,042,646.20, 1,566,302.10 and 1,000,137.40

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Solution

The fourth proportional to 1,042,646.20, 1,566,302.10 and 1,000,137.40 is: 1,502,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,646.20 : 1,566,302.10 = 1,000,137.40 : x
  2. Step 2: Convert to fraction form
    1,042,646.20/1,566,302.10 = 1,000,137.40/x
  3. Step 3: Cross multiply
    1,042,646.20x = 1,566,302.10 × 1,000,137.40
  4. Step 4: Simplify right side
    1,042,646.20x = 1,566,517,309,908.54
  5. Step 5: Solve for x
    x = 1,566,517,309,908.54/1,042,646.20
  6. Step 6: Final answer
    x = 1,502,443.79

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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.