Home / 770,715.04-1,063,554.06-426,518.78

Finding the Fourth Proportional to 770,715.04, 1,063,554.06 and 426,518.78

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Solution

The fourth proportional to 770,715.04, 1,063,554.06 and 426,518.78 is: 588,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,715.04 : 1,063,554.06 = 426,518.78 : x
  2. Step 2: Convert to fraction form
    770,715.04/1,063,554.06 = 426,518.78/x
  3. Step 3: Cross multiply
    770,715.04x = 1,063,554.06 × 426,518.78
  4. Step 4: Simplify right side
    770,715.04x = 453,625,780,135.25
  5. Step 5: Solve for x
    x = 453,625,780,135.25/770,715.04
  6. Step 6: Final answer
    x = 588,577.82

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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.