Home / 836,915.60-1,154,963.40-474,376.40

Finding the Fourth Proportional to 836,915.60, 1,154,963.40 and 474,376.40

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Solution

The fourth proportional to 836,915.60, 1,154,963.40 and 474,376.40 is: 654,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,915.60 : 1,154,963.40 = 474,376.40 : x
  2. Step 2: Convert to fraction form
    836,915.60/1,154,963.40 = 474,376.40/x
  3. Step 3: Cross multiply
    836,915.60x = 1,154,963.40 × 474,376.40
  4. Step 4: Simplify right side
    836,915.60x = 547,887,379,823.76
  5. Step 5: Solve for x
    x = 547,887,379,823.76/836,915.60
  6. Step 6: Final answer
    x = 654,650.70

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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.