Home / 838,851.18-1,157,667.30-476,136.96

Finding the Fourth Proportional to 838,851.18, 1,157,667.30 and 476,136.96

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Solution

The fourth proportional to 838,851.18, 1,157,667.30 and 476,136.96 is: 657,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,851.18 : 1,157,667.30 = 476,136.96 : x
  2. Step 2: Convert to fraction form
    838,851.18/1,157,667.30 = 476,136.96/x
  3. Step 3: Cross multiply
    838,851.18x = 1,157,667.30 × 476,136.96
  4. Step 4: Simplify right side
    838,851.18x = 551,208,188,913.41
  5. Step 5: Solve for x
    x = 551,208,188,913.41/838,851.18
  6. Step 6: Final answer
    x = 657,098.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.