Home / 783,598.88-1,080,210.12-611,323.04

Finding the Fourth Proportional to 783,598.88, 1,080,210.12 and 611,323.04

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Solution

The fourth proportional to 783,598.88, 1,080,210.12 and 611,323.04 is: 842,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,598.88 : 1,080,210.12 = 611,323.04 : x
  2. Step 2: Convert to fraction form
    783,598.88/1,080,210.12 = 611,323.04/x
  3. Step 3: Cross multiply
    783,598.88x = 1,080,210.12 × 611,323.04
  4. Step 4: Simplify right side
    783,598.88x = 660,357,334,397.17
  5. Step 5: Solve for x
    x = 660,357,334,397.17/783,598.88
  6. Step 6: Final answer
    x = 842,723.68

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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.