Home / 1,038,296.10-1,556,580.15-439,716.90

Finding the Fourth Proportional to 1,038,296.10, 1,556,580.15 and 439,716.90

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Solution

The fourth proportional to 1,038,296.10, 1,556,580.15 and 439,716.90 is: 659,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,296.10 : 1,556,580.15 = 439,716.90 : x
  2. Step 2: Convert to fraction form
    1,038,296.10/1,556,580.15 = 439,716.90/x
  3. Step 3: Cross multiply
    1,038,296.10x = 1,556,580.15 × 439,716.90
  4. Step 4: Simplify right side
    1,038,296.10x = 684,454,598,159.54
  5. Step 5: Solve for x
    x = 684,454,598,159.54/1,038,296.10
  6. Step 6: Final answer
    x = 659,209.45

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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.