Home / 777,519.60-1,072,987.77-433,345.92

Finding the Fourth Proportional to 777,519.60, 1,072,987.77 and 433,345.92

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Solution

The fourth proportional to 777,519.60, 1,072,987.77 and 433,345.92 is: 598,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,519.60 : 1,072,987.77 = 433,345.92 : x
  2. Step 2: Convert to fraction form
    777,519.60/1,072,987.77 = 433,345.92/x
  3. Step 3: Cross multiply
    777,519.60x = 1,072,987.77 × 433,345.92
  4. Step 4: Simplify right side
    777,519.60x = 464,974,872,339.40
  5. Step 5: Solve for x
    x = 464,974,872,339.40/777,519.60
  6. Step 6: Final answer
    x = 598,023.35

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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.