Home / 360,448.62-497,384.04-199,281.63

Finding the Fourth Proportional to 360,448.62, 497,384.04 and 199,281.63

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Solution

The fourth proportional to 360,448.62, 497,384.04 and 199,281.63 is: 274,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,448.62 : 497,384.04 = 199,281.63 : x
  2. Step 2: Convert to fraction form
    360,448.62/497,384.04 = 199,281.63/x
  3. Step 3: Cross multiply
    360,448.62x = 497,384.04 × 199,281.63
  4. Step 4: Simplify right side
    360,448.62x = 99,119,502,227.19
  5. Step 5: Solve for x
    x = 99,119,502,227.19/360,448.62
  6. Step 6: Final answer
    x = 274,989.27

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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.