Home / 1,121,031-1,547,055.59-611,766.18

Finding the Fourth Proportional to 1,121,031, 1,547,055.59 and 611,766.18

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Solution

The fourth proportional to 1,121,031, 1,547,055.59 and 611,766.18 is: 844,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,031 : 1,547,055.59 = 611,766.18 : x
  2. Step 2: Convert to fraction form
    1,121,031/1,547,055.59 = 611,766.18/x
  3. Step 3: Cross multiply
    1,121,031x = 1,547,055.59 × 611,766.18
  4. Step 4: Simplify right side
    1,121,031x = 946,436,285,483.12
  5. Step 5: Solve for x
    x = 946,436,285,483.12/1,121,031
  6. Step 6: Final answer
    x = 844,255.23

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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.