Home / 1,872,032.60-2,808,048.90-674,139.80

Finding the Fourth Proportional to 1,872,032.60, 2,808,048.90 and 674,139.80

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Solution

The fourth proportional to 1,872,032.60, 2,808,048.90 and 674,139.80 is: 1,011,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,032.60 : 2,808,048.90 = 674,139.80 : x
  2. Step 2: Convert to fraction form
    1,872,032.60/2,808,048.90 = 674,139.80/x
  3. Step 3: Cross multiply
    1,872,032.60x = 2,808,048.90 × 674,139.80
  4. Step 4: Simplify right side
    1,872,032.60x = 1,893,017,523,836.22
  5. Step 5: Solve for x
    x = 1,893,017,523,836.22/1,872,032.60
  6. Step 6: Final answer
    x = 1,011,209.70

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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.