Home / 1,101,875.20-1,652,812.80-391,926.40

Finding the Fourth Proportional to 1,101,875.20, 1,652,812.80 and 391,926.40

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Solution

The fourth proportional to 1,101,875.20, 1,652,812.80 and 391,926.40 is: 587,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,875.20 : 1,652,812.80 = 391,926.40 : x
  2. Step 2: Convert to fraction form
    1,101,875.20/1,652,812.80 = 391,926.40/x
  3. Step 3: Cross multiply
    1,101,875.20x = 1,652,812.80 × 391,926.40
  4. Step 4: Simplify right side
    1,101,875.20x = 647,780,970,577.92
  5. Step 5: Solve for x
    x = 647,780,970,577.92/1,101,875.20
  6. Step 6: Final answer
    x = 587,889.60

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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.