Home / 614,827.20-921,657.60-551,841.60

Finding the Fourth Proportional to 614,827.20, 921,657.60 and 551,841.60

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Solution

The fourth proportional to 614,827.20, 921,657.60 and 551,841.60 is: 827,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,827.20 : 921,657.60 = 551,841.60 : x
  2. Step 2: Convert to fraction form
    614,827.20/921,657.60 = 551,841.60/x
  3. Step 3: Cross multiply
    614,827.20x = 921,657.60 × 551,841.60
  4. Step 4: Simplify right side
    614,827.20x = 508,609,004,636.16
  5. Step 5: Solve for x
    x = 508,609,004,636.16/614,827.20
  6. Step 6: Final answer
    x = 827,238.95

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1.5x scale

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.