Home / 826,164.92-1,238,966.70-286,295.24

Finding the Fourth Proportional to 826,164.92, 1,238,966.70 and 286,295.24

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Solution

The fourth proportional to 826,164.92, 1,238,966.70 and 286,295.24 is: 429,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,164.92 : 1,238,966.70 = 286,295.24 : x
  2. Step 2: Convert to fraction form
    826,164.92/1,238,966.70 = 286,295.24/x
  3. Step 3: Cross multiply
    826,164.92x = 1,238,966.70 × 286,295.24
  4. Step 4: Simplify right side
    826,164.92x = 354,710,268,728.51
  5. Step 5: Solve for x
    x = 354,710,268,728.51/826,164.92
  6. Step 6: Final answer
    x = 429,345.59

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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.