Home / 770,671.17-1,063,502.20-426,486.39

Finding the Fourth Proportional to 770,671.17, 1,063,502.20 and 426,486.39

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Solution

The fourth proportional to 770,671.17, 1,063,502.20 and 426,486.39 is: 588,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,671.17 : 1,063,502.20 = 426,486.39 : x
  2. Step 2: Convert to fraction form
    770,671.17/1,063,502.20 = 426,486.39/x
  3. Step 3: Cross multiply
    770,671.17x = 1,063,502.20 × 426,486.39
  4. Step 4: Simplify right side
    770,671.17x = 453,569,211,902.63
  5. Step 5: Solve for x
    x = 453,569,211,902.63/770,671.17
  6. Step 6: Final answer
    x = 588,537.93

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Double scale
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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.