Home / 1,057,674.92-1,587,142.76-383,808.78

Finding the Fourth Proportional to 1,057,674.92, 1,587,142.76 and 383,808.78

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Solution

The fourth proportional to 1,057,674.92, 1,587,142.76 and 383,808.78 is: 575,941.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,674.92 : 1,587,142.76 = 383,808.78 : x
  2. Step 2: Convert to fraction form
    1,057,674.92/1,587,142.76 = 383,808.78/x
  3. Step 3: Cross multiply
    1,057,674.92x = 1,587,142.76 × 383,808.78
  4. Step 4: Simplify right side
    1,057,674.92x = 609,159,326,401.43
  5. Step 5: Solve for x
    x = 609,159,326,401.43/1,057,674.92
  6. Step 6: Final answer
    x = 575,941.92

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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.