Home / 713,066.20-1,069,080.90-292,125.40

Finding the Fourth Proportional to 713,066.20, 1,069,080.90 and 292,125.40

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Solution

The fourth proportional to 713,066.20, 1,069,080.90 and 292,125.40 is: 437,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,066.20 : 1,069,080.90 = 292,125.40 : x
  2. Step 2: Convert to fraction form
    713,066.20/1,069,080.90 = 292,125.40/x
  3. Step 3: Cross multiply
    713,066.20x = 1,069,080.90 × 292,125.40
  4. Step 4: Simplify right side
    713,066.20x = 312,305,685,544.86
  5. Step 5: Solve for x
    x = 312,305,685,544.86/713,066.20
  6. Step 6: Final answer
    x = 437,975.72

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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.