Home / 1,038,167.30-1,556,959.35-328,412.90

Finding the Fourth Proportional to 1,038,167.30, 1,556,959.35 and 328,412.90

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Solution

The fourth proportional to 1,038,167.30, 1,556,959.35 and 328,412.90 is: 492,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,167.30 : 1,556,959.35 = 328,412.90 : x
  2. Step 2: Convert to fraction form
    1,038,167.30/1,556,959.35 = 328,412.90/x
  3. Step 3: Cross multiply
    1,038,167.30x = 1,556,959.35 × 328,412.90
  4. Step 4: Simplify right side
    1,038,167.30x = 511,325,535,315.62
  5. Step 5: Solve for x
    x = 511,325,535,315.62/1,038,167.30
  6. Step 6: Final answer
    x = 492,527.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.