Home / 1,038,299.60-1,556,585.40-439,720.40

Finding the Fourth Proportional to 1,038,299.60, 1,556,585.40 and 439,720.40

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Solution

The fourth proportional to 1,038,299.60, 1,556,585.40 and 439,720.40 is: 659,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,299.60 : 1,556,585.40 = 439,720.40 : x
  2. Step 2: Convert to fraction form
    1,038,299.60/1,556,585.40 = 439,720.40/x
  3. Step 3: Cross multiply
    1,038,299.60x = 1,556,585.40 × 439,720.40
  4. Step 4: Simplify right side
    1,038,299.60x = 684,462,354,722.16
  5. Step 5: Solve for x
    x = 684,462,354,722.16/1,038,299.60
  6. Step 6: Final answer
    x = 659,214.70

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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.