Home / 366,931.60-550,397.40-283,885.20

Finding the Fourth Proportional to 366,931.60, 550,397.40 and 283,885.20

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Solution

The fourth proportional to 366,931.60, 550,397.40 and 283,885.20 is: 425,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,931.60 : 550,397.40 = 283,885.20 : x
  2. Step 2: Convert to fraction form
    366,931.60/550,397.40 = 283,885.20/x
  3. Step 3: Cross multiply
    366,931.60x = 550,397.40 × 283,885.20
  4. Step 4: Simplify right side
    366,931.60x = 156,249,675,978.48
  5. Step 5: Solve for x
    x = 156,249,675,978.48/366,931.60
  6. Step 6: Final answer
    x = 425,827.80

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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.