Home / 739,225.20-1,109,356.20-473,631.60

Finding the Fourth Proportional to 739,225.20, 1,109,356.20 and 473,631.60

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Solution

The fourth proportional to 739,225.20, 1,109,356.20 and 473,631.60 is: 710,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,225.20 : 1,109,356.20 = 473,631.60 : x
  2. Step 2: Convert to fraction form
    739,225.20/1,109,356.20 = 473,631.60/x
  3. Step 3: Cross multiply
    739,225.20x = 1,109,356.20 × 473,631.60
  4. Step 4: Simplify right side
    739,225.20x = 525,426,151,975.92
  5. Step 5: Solve for x
    x = 525,426,151,975.92/739,225.20
  6. Step 6: Final answer
    x = 710,779.55

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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.