Home / 859,700.04-1,186,396.80-472,557.72

Finding the Fourth Proportional to 859,700.04, 1,186,396.80 and 472,557.72

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Solution

The fourth proportional to 859,700.04, 1,186,396.80 and 472,557.72 is: 652,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,700.04 : 1,186,396.80 = 472,557.72 : x
  2. Step 2: Convert to fraction form
    859,700.04/1,186,396.80 = 472,557.72/x
  3. Step 3: Cross multiply
    859,700.04x = 1,186,396.80 × 472,557.72
  4. Step 4: Simplify right side
    859,700.04x = 560,640,966,823.30
  5. Step 5: Solve for x
    x = 560,640,966,823.30/859,700.04
  6. Step 6: Final answer
    x = 652,135.56

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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.