Home / 847,121.52-1,169,133.04-484,495.06

Finding the Fourth Proportional to 847,121.52, 1,169,133.04 and 484,495.06

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Solution

The fourth proportional to 847,121.52, 1,169,133.04 and 484,495.06 is: 668,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,121.52 : 1,169,133.04 = 484,495.06 : x
  2. Step 2: Convert to fraction form
    847,121.52/1,169,133.04 = 484,495.06/x
  3. Step 3: Cross multiply
    847,121.52x = 1,169,133.04 × 484,495.06
  4. Step 4: Simplify right side
    847,121.52x = 566,439,182,362.78
  5. Step 5: Solve for x
    x = 566,439,182,362.78/847,121.52
  6. Step 6: Final answer
    x = 668,663.43

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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.