Home / 692,218.60-1,036,254.30-411,591.40

Finding the Fourth Proportional to 692,218.60, 1,036,254.30 and 411,591.40

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Solution

The fourth proportional to 692,218.60, 1,036,254.30 and 411,591.40 is: 616,154.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,218.60 : 1,036,254.30 = 411,591.40 : x
  2. Step 2: Convert to fraction form
    692,218.60/1,036,254.30 = 411,591.40/x
  3. Step 3: Cross multiply
    692,218.60x = 1,036,254.30 × 411,591.40
  4. Step 4: Simplify right side
    692,218.60x = 426,513,358,093.02
  5. Step 5: Solve for x
    x = 426,513,358,093.02/692,218.60
  6. Step 6: Final answer
    x = 616,154.14

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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.