Home / 1,142,766.73-1,577,009.35-626,514.45

Finding the Fourth Proportional to 1,142,766.73, 1,577,009.35 and 626,514.45

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Solution

The fourth proportional to 1,142,766.73, 1,577,009.35 and 626,514.45 is: 864,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,766.73 : 1,577,009.35 = 626,514.45 : x
  2. Step 2: Convert to fraction form
    1,142,766.73/1,577,009.35 = 626,514.45/x
  3. Step 3: Cross multiply
    1,142,766.73x = 1,577,009.35 × 626,514.45
  4. Step 4: Simplify right side
    1,142,766.73x = 988,019,140,429.47
  5. Step 5: Solve for x
    x = 988,019,140,429.47/1,142,766.73
  6. Step 6: Final answer
    x = 864,585.15

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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.