Home / 579,234.60-867,815.10-496,290.60

Finding the Fourth Proportional to 579,234.60, 867,815.10 and 496,290.60

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Solution

The fourth proportional to 579,234.60, 867,815.10 and 496,290.60 is: 743,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,234.60 : 867,815.10 = 496,290.60 : x
  2. Step 2: Convert to fraction form
    579,234.60/867,815.10 = 496,290.60/x
  3. Step 3: Cross multiply
    579,234.60x = 867,815.10 × 496,290.60
  4. Step 4: Simplify right side
    579,234.60x = 430,688,476,668.06
  5. Step 5: Solve for x
    x = 430,688,476,668.06/579,234.60
  6. Step 6: Final answer
    x = 743,547.57

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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.