Home / 738,339.93-1,107,509.90-528,387.93

Finding the Fourth Proportional to 738,339.93, 1,107,509.90 and 528,387.93

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Solution

The fourth proportional to 738,339.93, 1,107,509.90 and 528,387.93 is: 792,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,339.93 : 1,107,509.90 = 528,387.93 : x
  2. Step 2: Convert to fraction form
    738,339.93/1,107,509.90 = 528,387.93/x
  3. Step 3: Cross multiply
    738,339.93x = 1,107,509.90 × 528,387.93
  4. Step 4: Simplify right side
    738,339.93x = 585,194,860,873.57
  5. Step 5: Solve for x
    x = 585,194,860,873.57/738,339.93
  6. Step 6: Final answer
    x = 792,581.90

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Double scale
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Similar ratio
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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.