Home / 961,099.30-1,440,664.80-561,534.40

Finding the Fourth Proportional to 961,099.30, 1,440,664.80 and 561,534.40

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Solution

The fourth proportional to 961,099.30, 1,440,664.80 and 561,534.40 is: 841,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,099.30 : 1,440,664.80 = 561,534.40 : x
  2. Step 2: Convert to fraction form
    961,099.30/1,440,664.80 = 561,534.40/x
  3. Step 3: Cross multiply
    961,099.30x = 1,440,664.80 × 561,534.40
  4. Step 4: Simplify right side
    961,099.30x = 808,982,844,069.12
  5. Step 5: Solve for x
    x = 808,982,844,069.12/961,099.30
  6. Step 6: Final answer
    x = 841,726.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.