Home / 875,560.57-1,312,106.31-413,445.48

Finding the Fourth Proportional to 875,560.57, 1,312,106.31 and 413,445.48

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Solution

The fourth proportional to 875,560.57, 1,312,106.31 and 413,445.48 is: 619,585.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,560.57 : 1,312,106.31 = 413,445.48 : x
  2. Step 2: Convert to fraction form
    875,560.57/1,312,106.31 = 413,445.48/x
  3. Step 3: Cross multiply
    875,560.57x = 1,312,106.31 × 413,445.48
  4. Step 4: Simplify right side
    875,560.57x = 542,484,423,148.98
  5. Step 5: Solve for x
    x = 542,484,423,148.98/875,560.57
  6. Step 6: Final answer
    x = 619,585.26

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1.5x scale

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.