Home / 934,356.60-1,403,090.10-513,934.20

Finding the Fourth Proportional to 934,356.60, 1,403,090.10 and 513,934.20

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Solution

The fourth proportional to 934,356.60, 1,403,090.10 and 513,934.20 is: 771,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,356.60 : 1,403,090.10 = 513,934.20 : x
  2. Step 2: Convert to fraction form
    934,356.60/1,403,090.10 = 513,934.20/x
  3. Step 3: Cross multiply
    934,356.60x = 1,403,090.10 × 513,934.20
  4. Step 4: Simplify right side
    934,356.60x = 721,095,988,071.42
  5. Step 5: Solve for x
    x = 721,095,988,071.42/934,356.60
  6. Step 6: Final answer
    x = 771,756.72

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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.