Home / 886,646.40-1,223,555.52-499,463.04

Finding the Fourth Proportional to 886,646.40, 1,223,555.52 and 499,463.04

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Solution

The fourth proportional to 886,646.40, 1,223,555.52 and 499,463.04 is: 689,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,646.40 : 1,223,555.52 = 499,463.04 : x
  2. Step 2: Convert to fraction form
    886,646.40/1,223,555.52 = 499,463.04/x
  3. Step 3: Cross multiply
    886,646.40x = 1,223,555.52 × 499,463.04
  4. Step 4: Simplify right side
    886,646.40x = 611,120,759,627.98
  5. Step 5: Solve for x
    x = 611,120,759,627.98/886,646.40
  6. Step 6: Final answer
    x = 689,249.69

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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.