Home / 648,581.58-966,348.98-612,364.86

Finding the Fourth Proportional to 648,581.58, 966,348.98 and 612,364.86

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Solution

The fourth proportional to 648,581.58, 966,348.98 and 612,364.86 is: 912,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,581.58 : 966,348.98 = 612,364.86 : x
  2. Step 2: Convert to fraction form
    648,581.58/966,348.98 = 612,364.86/x
  3. Step 3: Cross multiply
    648,581.58x = 966,348.98 × 612,364.86
  4. Step 4: Simplify right side
    648,581.58x = 591,758,154,787.02
  5. Step 5: Solve for x
    x = 591,758,154,787.02/648,581.58
  6. Step 6: Final answer
    x = 912,388.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.