Home / 928,824.13-1,393,436.16-289,114.28

Finding the Fourth Proportional to 928,824.13, 1,393,436.16 and 289,114.28

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Solution

The fourth proportional to 928,824.13, 1,393,436.16 and 289,114.28 is: 433,733.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,824.13 : 1,393,436.16 = 289,114.28 : x
  2. Step 2: Convert to fraction form
    928,824.13/1,393,436.16 = 289,114.28/x
  3. Step 3: Cross multiply
    928,824.13x = 1,393,436.16 × 289,114.28
  4. Step 4: Simplify right side
    928,824.13x = 402,862,285,157.18
  5. Step 5: Solve for x
    x = 402,862,285,157.18/928,824.13
  6. Step 6: Final answer
    x = 433,733.66

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Double scale
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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.