Home / 877,536.40-1,316,304.60-498,310.60

Finding the Fourth Proportional to 877,536.40, 1,316,304.60 and 498,310.60

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Solution

The fourth proportional to 877,536.40, 1,316,304.60 and 498,310.60 is: 747,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,536.40 : 1,316,304.60 = 498,310.60 : x
  2. Step 2: Convert to fraction form
    877,536.40/1,316,304.60 = 498,310.60/x
  3. Step 3: Cross multiply
    877,536.40x = 1,316,304.60 × 498,310.60
  4. Step 4: Simplify right side
    877,536.40x = 655,928,535,008.76
  5. Step 5: Solve for x
    x = 655,928,535,008.76/877,536.40
  6. Step 6: Final answer
    x = 747,465.90

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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.