Home / 784,885.95-1,083,128.81-440,724.59

Finding the Fourth Proportional to 784,885.95, 1,083,128.81 and 440,724.59

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Solution

The fourth proportional to 784,885.95, 1,083,128.81 and 440,724.59 is: 608,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,885.95 : 1,083,128.81 = 440,724.59 : x
  2. Step 2: Convert to fraction form
    784,885.95/1,083,128.81 = 440,724.59/x
  3. Step 3: Cross multiply
    784,885.95x = 1,083,128.81 × 440,724.59
  4. Step 4: Simplify right side
    784,885.95x = 477,361,505,718.58
  5. Step 5: Solve for x
    x = 477,361,505,718.58/784,885.95
  6. Step 6: Final answer
    x = 608,192.19

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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.