Home / 748,970.10-1,033,570.99-426,687.12

Finding the Fourth Proportional to 748,970.10, 1,033,570.99 and 426,687.12

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Solution

The fourth proportional to 748,970.10, 1,033,570.99 and 426,687.12 is: 588,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,970.10 : 1,033,570.99 = 426,687.12 : x
  2. Step 2: Convert to fraction form
    748,970.10/1,033,570.99 = 426,687.12/x
  3. Step 3: Cross multiply
    748,970.10x = 1,033,570.99 × 426,687.12
  4. Step 4: Simplify right side
    748,970.10x = 441,011,425,615.06
  5. Step 5: Solve for x
    x = 441,011,425,615.06/748,970.10
  6. Step 6: Final answer
    x = 588,823.81

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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.