Home / 1,547,707.06-2,135,835.74-868,643.56

Finding the Fourth Proportional to 1,547,707.06, 2,135,835.74 and 868,643.56

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Solution

The fourth proportional to 1,547,707.06, 2,135,835.74 and 868,643.56 is: 1,198,728.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,707.06 : 2,135,835.74 = 868,643.56 : x
  2. Step 2: Convert to fraction form
    1,547,707.06/2,135,835.74 = 868,643.56/x
  3. Step 3: Cross multiply
    1,547,707.06x = 2,135,835.74 × 868,643.56
  4. Step 4: Simplify right side
    1,547,707.06x = 1,855,279,947,081.34
  5. Step 5: Solve for x
    x = 1,855,279,947,081.34/1,547,707.06
  6. Step 6: Final answer
    x = 1,198,728.11

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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.