Home / 1,025,810.30-1,538,715.45-277,856.30

Finding the Fourth Proportional to 1,025,810.30, 1,538,715.45 and 277,856.30

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Solution

The fourth proportional to 1,025,810.30, 1,538,715.45 and 277,856.30 is: 416,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,810.30 : 1,538,715.45 = 277,856.30 : x
  2. Step 2: Convert to fraction form
    1,025,810.30/1,538,715.45 = 277,856.30/x
  3. Step 3: Cross multiply
    1,025,810.30x = 1,538,715.45 × 277,856.30
  4. Step 4: Simplify right side
    1,025,810.30x = 427,541,781,689.84
  5. Step 5: Solve for x
    x = 427,541,781,689.84/1,025,810.30
  6. Step 6: Final answer
    x = 416,784.45

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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.