Home / 1,240,111.46-1,711,221.24-696,307

Finding the Fourth Proportional to 1,240,111.46, 1,711,221.24 and 696,307

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Solution

The fourth proportional to 1,240,111.46, 1,711,221.24 and 696,307 is: 960,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,111.46 : 1,711,221.24 = 696,307 : x
  2. Step 2: Convert to fraction form
    1,240,111.46/1,711,221.24 = 696,307/x
  3. Step 3: Cross multiply
    1,240,111.46x = 1,711,221.24 × 696,307
  4. Step 4: Simplify right side
    1,240,111.46x = 1,191,535,327,960.68
  5. Step 5: Solve for x
    x = 1,191,535,327,960.68/1,240,111.46
  6. Step 6: Final answer
    x = 960,829.22

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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.