Home / 913,751.75-1,260,802.45-591,417.11

Finding the Fourth Proportional to 913,751.75, 1,260,802.45 and 591,417.11

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Solution

The fourth proportional to 913,751.75, 1,260,802.45 and 591,417.11 is: 816,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,751.75 : 1,260,802.45 = 591,417.11 : x
  2. Step 2: Convert to fraction form
    913,751.75/1,260,802.45 = 591,417.11/x
  3. Step 3: Cross multiply
    913,751.75x = 1,260,802.45 × 591,417.11
  4. Step 4: Simplify right side
    913,751.75x = 745,660,141,259.92
  5. Step 5: Solve for x
    x = 745,660,141,259.92/913,751.75
  6. Step 6: Final answer
    x = 816,042.37

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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.