Home / 1,313,833.40-1,813,092.75-710,221.40

Finding the Fourth Proportional to 1,313,833.40, 1,813,092.75 and 710,221.40

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Solution

The fourth proportional to 1,313,833.40, 1,813,092.75 and 710,221.40 is: 980,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,833.40 : 1,813,092.75 = 710,221.40 : x
  2. Step 2: Convert to fraction form
    1,313,833.40/1,813,092.75 = 710,221.40/x
  3. Step 3: Cross multiply
    1,313,833.40x = 1,813,092.75 × 710,221.40
  4. Step 4: Simplify right side
    1,313,833.40x = 1,287,697,271,234.85
  5. Step 5: Solve for x
    x = 1,287,697,271,234.85/1,313,833.40
  6. Step 6: Final answer
    x = 980,106.97

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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.