Home / 723,748.80-1,085,623.20-537,124.80

Finding the Fourth Proportional to 723,748.80, 1,085,623.20 and 537,124.80

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Solution

The fourth proportional to 723,748.80, 1,085,623.20 and 537,124.80 is: 805,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,748.80 : 1,085,623.20 = 537,124.80 : x
  2. Step 2: Convert to fraction form
    723,748.80/1,085,623.20 = 537,124.80/x
  3. Step 3: Cross multiply
    723,748.80x = 1,085,623.20 × 537,124.80
  4. Step 4: Simplify right side
    723,748.80x = 583,115,144,175.36
  5. Step 5: Solve for x
    x = 583,115,144,175.36/723,748.80
  6. Step 6: Final answer
    x = 805,687.20

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Double scale
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Similar ratio
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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.