Home / 876,225.40-1,314,338.10-496,999.60

Finding the Fourth Proportional to 876,225.40, 1,314,338.10 and 496,999.60

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Solution

The fourth proportional to 876,225.40, 1,314,338.10 and 496,999.60 is: 745,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,225.40 : 1,314,338.10 = 496,999.60 : x
  2. Step 2: Convert to fraction form
    876,225.40/1,314,338.10 = 496,999.60/x
  3. Step 3: Cross multiply
    876,225.40x = 1,314,338.10 × 496,999.60
  4. Step 4: Simplify right side
    876,225.40x = 653,225,509,964.76
  5. Step 5: Solve for x
    x = 653,225,509,964.76/876,225.40
  6. Step 6: Final answer
    x = 745,499.40

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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.