Home / 591,725.20-887,587.80-402,768.40

Finding the Fourth Proportional to 591,725.20, 887,587.80 and 402,768.40

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Solution

The fourth proportional to 591,725.20, 887,587.80 and 402,768.40 is: 604,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,725.20 : 887,587.80 = 402,768.40 : x
  2. Step 2: Convert to fraction form
    591,725.20/887,587.80 = 402,768.40/x
  3. Step 3: Cross multiply
    591,725.20x = 887,587.80 × 402,768.40
  4. Step 4: Simplify right side
    591,725.20x = 357,492,318,065.52
  5. Step 5: Solve for x
    x = 357,492,318,065.52/591,725.20
  6. Step 6: Final answer
    x = 604,152.60

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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.