Home / 674,219.60-1,012,495.80-653,224.40

Finding the Fourth Proportional to 674,219.60, 1,012,495.80 and 653,224.40

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Solution

The fourth proportional to 674,219.60, 1,012,495.80 and 653,224.40 is: 980,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,219.60 : 1,012,495.80 = 653,224.40 : x
  2. Step 2: Convert to fraction form
    674,219.60/1,012,495.80 = 653,224.40/x
  3. Step 3: Cross multiply
    674,219.60x = 1,012,495.80 × 653,224.40
  4. Step 4: Simplify right side
    674,219.60x = 661,386,961,457.52
  5. Step 5: Solve for x
    x = 661,386,961,457.52/674,219.60
  6. Step 6: Final answer
    x = 980,966.68

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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.