Home / 880,084.32-1,214,479.62-498,132.24

Finding the Fourth Proportional to 880,084.32, 1,214,479.62 and 498,132.24

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Solution

The fourth proportional to 880,084.32, 1,214,479.62 and 498,132.24 is: 687,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,084.32 : 1,214,479.62 = 498,132.24 : x
  2. Step 2: Convert to fraction form
    880,084.32/1,214,479.62 = 498,132.24/x
  3. Step 3: Cross multiply
    880,084.32x = 1,214,479.62 × 498,132.24
  4. Step 4: Simplify right side
    880,084.32x = 604,971,453,544.95
  5. Step 5: Solve for x
    x = 604,971,453,544.95/880,084.32
  6. Step 6: Final answer
    x = 687,401.70

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Double scale
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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.