Home / 1,038,187.30-1,556,989.35-328,432.90

Finding the Fourth Proportional to 1,038,187.30, 1,556,989.35 and 328,432.90

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Solution

The fourth proportional to 1,038,187.30, 1,556,989.35 and 328,432.90 is: 492,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,187.30 : 1,556,989.35 = 328,432.90 : x
  2. Step 2: Convert to fraction form
    1,038,187.30/1,556,989.35 = 328,432.90/x
  3. Step 3: Cross multiply
    1,038,187.30x = 1,556,989.35 × 328,432.90
  4. Step 4: Simplify right side
    1,038,187.30x = 511,366,527,489.62
  5. Step 5: Solve for x
    x = 511,366,527,489.62/1,038,187.30
  6. Step 6: Final answer
    x = 492,557.10

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1.5x scale

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.