Home / 957,656.80-1,436,485.20-485,264.80

Finding the Fourth Proportional to 957,656.80, 1,436,485.20 and 485,264.80

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Solution

The fourth proportional to 957,656.80, 1,436,485.20 and 485,264.80 is: 727,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,656.80 : 1,436,485.20 = 485,264.80 : x
  2. Step 2: Convert to fraction form
    957,656.80/1,436,485.20 = 485,264.80/x
  3. Step 3: Cross multiply
    957,656.80x = 1,436,485.20 × 485,264.80
  4. Step 4: Simplify right side
    957,656.80x = 697,075,703,280.96
  5. Step 5: Solve for x
    x = 697,075,703,280.96/957,656.80
  6. Step 6: Final answer
    x = 727,897.20

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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.