Home / 887,654.60-1,330,607.10-438,444.80

Finding the Fourth Proportional to 887,654.60, 1,330,607.10 and 438,444.80

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Solution

The fourth proportional to 887,654.60, 1,330,607.10 and 438,444.80 is: 657,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,654.60 : 1,330,607.10 = 438,444.80 : x
  2. Step 2: Convert to fraction form
    887,654.60/1,330,607.10 = 438,444.80/x
  3. Step 3: Cross multiply
    887,654.60x = 1,330,607.10 × 438,444.80
  4. Step 4: Simplify right side
    887,654.60x = 583,397,763,838.08
  5. Step 5: Solve for x
    x = 583,397,763,838.08/887,654.60
  6. Step 6: Final answer
    x = 657,235.10

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Double scale
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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.