Home / 1,038,834.30-1,557,790.65-477,579.90

Finding the Fourth Proportional to 1,038,834.30, 1,557,790.65 and 477,579.90

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Solution

The fourth proportional to 1,038,834.30, 1,557,790.65 and 477,579.90 is: 716,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,834.30 : 1,557,790.65 = 477,579.90 : x
  2. Step 2: Convert to fraction form
    1,038,834.30/1,557,790.65 = 477,579.90/x
  3. Step 3: Cross multiply
    1,038,834.30x = 1,557,790.65 × 477,579.90
  4. Step 4: Simplify right side
    1,038,834.30x = 743,969,502,847.94
  5. Step 5: Solve for x
    x = 743,969,502,847.94/1,038,834.30
  6. Step 6: Final answer
    x = 716,158.01

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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.