Home / 926,330.80-1,389,496.20-452,772.40

Finding the Fourth Proportional to 926,330.80, 1,389,496.20 and 452,772.40

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Solution

The fourth proportional to 926,330.80, 1,389,496.20 and 452,772.40 is: 679,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,330.80 : 1,389,496.20 = 452,772.40 : x
  2. Step 2: Convert to fraction form
    926,330.80/1,389,496.20 = 452,772.40/x
  3. Step 3: Cross multiply
    926,330.80x = 1,389,496.20 × 452,772.40
  4. Step 4: Simplify right side
    926,330.80x = 629,125,529,264.88
  5. Step 5: Solve for x
    x = 629,125,529,264.88/926,330.80
  6. Step 6: Final answer
    x = 679,158.60

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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.