Home / 781,024.32-1,077,784.11-441,499.86

Finding the Fourth Proportional to 781,024.32, 1,077,784.11 and 441,499.86

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Solution

The fourth proportional to 781,024.32, 1,077,784.11 and 441,499.86 is: 609,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,024.32 : 1,077,784.11 = 441,499.86 : x
  2. Step 2: Convert to fraction form
    781,024.32/1,077,784.11 = 441,499.86/x
  3. Step 3: Cross multiply
    781,024.32x = 1,077,784.11 × 441,499.86
  4. Step 4: Simplify right side
    781,024.32x = 475,841,533,675.23
  5. Step 5: Solve for x
    x = 475,841,533,675.23/781,024.32
  6. Step 6: Final answer
    x = 609,253.16

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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.