Home / 1,326,587.90-1,830,123.99-866,904.59

Finding the Fourth Proportional to 1,326,587.90, 1,830,123.99 and 866,904.59

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Solution

The fourth proportional to 1,326,587.90, 1,830,123.99 and 866,904.59 is: 1,195,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,587.90 : 1,830,123.99 = 866,904.59 : x
  2. Step 2: Convert to fraction form
    1,326,587.90/1,830,123.99 = 866,904.59/x
  3. Step 3: Cross multiply
    1,326,587.90x = 1,830,123.99 × 866,904.59
  4. Step 4: Simplify right side
    1,326,587.90x = 1,586,542,891,775.42
  5. Step 5: Solve for x
    x = 1,586,542,891,775.42/1,326,587.90
  6. Step 6: Final answer
    x = 1,195,957.61

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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.