Home / 730,713.74-1,008,315.69-408,416.46

Finding the Fourth Proportional to 730,713.74, 1,008,315.69 and 408,416.46

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Solution

The fourth proportional to 730,713.74, 1,008,315.69 and 408,416.46 is: 563,576.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,713.74 : 1,008,315.69 = 408,416.46 : x
  2. Step 2: Convert to fraction form
    730,713.74/1,008,315.69 = 408,416.46/x
  3. Step 3: Cross multiply
    730,713.74x = 1,008,315.69 × 408,416.46
  4. Step 4: Simplify right side
    730,713.74x = 411,812,724,672.26
  5. Step 5: Solve for x
    x = 411,812,724,672.26/730,713.74
  6. Step 6: Final answer
    x = 563,576.00

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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.