Home / 578,114.40-867,171.60-525,626.40

Finding the Fourth Proportional to 578,114.40, 867,171.60 and 525,626.40

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Solution

The fourth proportional to 578,114.40, 867,171.60 and 525,626.40 is: 788,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,114.40 : 867,171.60 = 525,626.40 : x
  2. Step 2: Convert to fraction form
    578,114.40/867,171.60 = 525,626.40/x
  3. Step 3: Cross multiply
    578,114.40x = 867,171.60 × 525,626.40
  4. Step 4: Simplify right side
    578,114.40x = 455,808,286,290.24
  5. Step 5: Solve for x
    x = 455,808,286,290.24/578,114.40
  6. Step 6: Final answer
    x = 788,439.60

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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.