Home / 742,232.08-1,023,603.96-627,750.76

Finding the Fourth Proportional to 742,232.08, 1,023,603.96 and 627,750.76

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Solution

The fourth proportional to 742,232.08, 1,023,603.96 and 627,750.76 is: 865,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,232.08 : 1,023,603.96 = 627,750.76 : x
  2. Step 2: Convert to fraction form
    742,232.08/1,023,603.96 = 627,750.76/x
  3. Step 3: Cross multiply
    742,232.08x = 1,023,603.96 × 627,750.76
  4. Step 4: Simplify right side
    742,232.08x = 642,568,163,829.01
  5. Step 5: Solve for x
    x = 642,568,163,829.01/742,232.08
  6. Step 6: Final answer
    x = 865,724.05

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Double scale
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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.