Home / 715,581-1,072,582.56-462,261.60

Finding the Fourth Proportional to 715,581, 1,072,582.56 and 462,261.60

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Solution

The fourth proportional to 715,581, 1,072,582.56 and 462,261.60 is: 692,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,581 : 1,072,582.56 = 462,261.60 : x
  2. Step 2: Convert to fraction form
    715,581/1,072,582.56 = 462,261.60/x
  3. Step 3: Cross multiply
    715,581x = 1,072,582.56 × 462,261.60
  4. Step 4: Simplify right side
    715,581x = 495,813,730,317.70
  5. Step 5: Solve for x
    x = 495,813,730,317.70/715,581
  6. Step 6: Final answer
    x = 692,882.75

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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.