Home / 572,088.60-858,132.90-545,844.60

Finding the Fourth Proportional to 572,088.60, 858,132.90 and 545,844.60

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Solution

The fourth proportional to 572,088.60, 858,132.90 and 545,844.60 is: 818,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,088.60 : 858,132.90 = 545,844.60 : x
  2. Step 2: Convert to fraction form
    572,088.60/858,132.90 = 545,844.60/x
  3. Step 3: Cross multiply
    572,088.60x = 858,132.90 × 545,844.60
  4. Step 4: Simplify right side
    572,088.60x = 468,407,209,547.34
  5. Step 5: Solve for x
    x = 468,407,209,547.34/572,088.60
  6. Step 6: Final answer
    x = 818,766.90

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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.