Home / 677,788.59-934,581.33-432,445.05

Finding the Fourth Proportional to 677,788.59, 934,581.33 and 432,445.05

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Solution

The fourth proportional to 677,788.59, 934,581.33 and 432,445.05 is: 596,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,788.59 : 934,581.33 = 432,445.05 : x
  2. Step 2: Convert to fraction form
    677,788.59/934,581.33 = 432,445.05/x
  3. Step 3: Cross multiply
    677,788.59x = 934,581.33 × 432,445.05
  4. Step 4: Simplify right side
    677,788.59x = 404,155,069,980.92
  5. Step 5: Solve for x
    x = 404,155,069,980.92/677,788.59
  6. Step 6: Final answer
    x = 596,284.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.