Home / 515,066.04-772,709.78-173,543.40

Finding the Fourth Proportional to 515,066.04, 772,709.78 and 173,543.40

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Solution

The fourth proportional to 515,066.04, 772,709.78 and 173,543.40 is: 260,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,066.04 : 772,709.78 = 173,543.40 : x
  2. Step 2: Convert to fraction form
    515,066.04/772,709.78 = 173,543.40/x
  3. Step 3: Cross multiply
    515,066.04x = 772,709.78 × 173,543.40
  4. Step 4: Simplify right side
    515,066.04x = 134,098,682,868.31
  5. Step 5: Solve for x
    x = 134,098,682,868.31/515,066.04
  6. Step 6: Final answer
    x = 260,352.41

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1.5x scale

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.