Home / 834,029.97-1,151,084.32-528,134.28

Finding the Fourth Proportional to 834,029.97, 1,151,084.32 and 528,134.28

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Solution

The fourth proportional to 834,029.97, 1,151,084.32 and 528,134.28 is: 728,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,029.97 : 1,151,084.32 = 528,134.28 : x
  2. Step 2: Convert to fraction form
    834,029.97/1,151,084.32 = 528,134.28/x
  3. Step 3: Cross multiply
    834,029.97x = 1,151,084.32 × 528,134.28
  4. Step 4: Simplify right side
    834,029.97x = 607,927,082,925.59
  5. Step 5: Solve for x
    x = 607,927,082,925.59/834,029.97
  6. Step 6: Final answer
    x = 728,903.17

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Double scale
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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.