Home / 877,527.40-1,316,291.10-498,301.60

Finding the Fourth Proportional to 877,527.40, 1,316,291.10 and 498,301.60

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Solution

The fourth proportional to 877,527.40, 1,316,291.10 and 498,301.60 is: 747,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,527.40 : 1,316,291.10 = 498,301.60 : x
  2. Step 2: Convert to fraction form
    877,527.40/1,316,291.10 = 498,301.60/x
  3. Step 3: Cross multiply
    877,527.40x = 1,316,291.10 × 498,301.60
  4. Step 4: Simplify right side
    877,527.40x = 655,909,961,195.76
  5. Step 5: Solve for x
    x = 655,909,961,195.76/877,527.40
  6. Step 6: Final answer
    x = 747,452.40

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Double scale
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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.