Home / 648,343.16-972,438.18-175,065.44

Finding the Fourth Proportional to 648,343.16, 972,438.18 and 175,065.44

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Solution

The fourth proportional to 648,343.16, 972,438.18 and 175,065.44 is: 262,577.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,343.16 : 972,438.18 = 175,065.44 : x
  2. Step 2: Convert to fraction form
    648,343.16/972,438.18 = 175,065.44/x
  3. Step 3: Cross multiply
    648,343.16x = 972,438.18 × 175,065.44
  4. Step 4: Simplify right side
    648,343.16x = 170,240,317,854.50
  5. Step 5: Solve for x
    x = 170,240,317,854.50/648,343.16
  6. Step 6: Final answer
    x = 262,577.49

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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.