Home / 1,031,684.80-1,547,527.20-1,025,779.90

Finding the Fourth Proportional to 1,031,684.80, 1,547,527.20 and 1,025,779.90

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Solution

The fourth proportional to 1,031,684.80, 1,547,527.20 and 1,025,779.90 is: 1,538,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,684.80 : 1,547,527.20 = 1,025,779.90 : x
  2. Step 2: Convert to fraction form
    1,031,684.80/1,547,527.20 = 1,025,779.90/x
  3. Step 3: Cross multiply
    1,031,684.80x = 1,547,527.20 × 1,025,779.90
  4. Step 4: Simplify right side
    1,031,684.80x = 1,587,422,296,463.28
  5. Step 5: Solve for x
    x = 1,587,422,296,463.28/1,031,684.80
  6. Step 6: Final answer
    x = 1,538,669.85

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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.