Home / 883,842.05-1,219,667.65-540,253.26

Finding the Fourth Proportional to 883,842.05, 1,219,667.65 and 540,253.26

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Solution

The fourth proportional to 883,842.05, 1,219,667.65 and 540,253.26 is: 745,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,842.05 : 1,219,667.65 = 540,253.26 : x
  2. Step 2: Convert to fraction form
    883,842.05/1,219,667.65 = 540,253.26/x
  3. Step 3: Cross multiply
    883,842.05x = 1,219,667.65 × 540,253.26
  4. Step 4: Simplify right side
    883,842.05x = 658,929,422,678.41
  5. Step 5: Solve for x
    x = 658,929,422,678.41/883,842.05
  6. Step 6: Final answer
    x = 745,528.48

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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.