Home / 526,045.60-789,068.40-171,071.20

Finding the Fourth Proportional to 526,045.60, 789,068.40 and 171,071.20

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Solution

The fourth proportional to 526,045.60, 789,068.40 and 171,071.20 is: 256,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,045.60 : 789,068.40 = 171,071.20 : x
  2. Step 2: Convert to fraction form
    526,045.60/789,068.40 = 171,071.20/x
  3. Step 3: Cross multiply
    526,045.60x = 789,068.40 × 171,071.20
  4. Step 4: Simplify right side
    526,045.60x = 134,986,878,070.08
  5. Step 5: Solve for x
    x = 134,986,878,070.08/526,045.60
  6. Step 6: Final answer
    x = 256,606.80

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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.