Home / 883,606.91-1,219,345.56-540,017.60

Finding the Fourth Proportional to 883,606.91, 1,219,345.56 and 540,017.60

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Solution

The fourth proportional to 883,606.91, 1,219,345.56 and 540,017.60 is: 745,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,606.91 : 1,219,345.56 = 540,017.60 : x
  2. Step 2: Convert to fraction form
    883,606.91/1,219,345.56 = 540,017.60/x
  3. Step 3: Cross multiply
    883,606.91x = 1,219,345.56 × 540,017.60
  4. Step 4: Simplify right side
    883,606.91x = 658,468,056,785.13
  5. Step 5: Solve for x
    x = 658,468,056,785.13/883,606.91
  6. Step 6: Final answer
    x = 745,204.74

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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.