Home / 1,872,513.60-2,808,381.60-807,590.40

Finding the Fourth Proportional to 1,872,513.60, 2,808,381.60 and 807,590.40

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Solution

The fourth proportional to 1,872,513.60, 2,808,381.60 and 807,590.40 is: 1,211,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,513.60 : 2,808,381.60 = 807,590.40 : x
  2. Step 2: Convert to fraction form
    1,872,513.60/2,808,381.60 = 807,590.40/x
  3. Step 3: Cross multiply
    1,872,513.60x = 2,808,381.60 × 807,590.40
  4. Step 4: Simplify right side
    1,872,513.60x = 2,268,022,019,696.64
  5. Step 5: Solve for x
    x = 2,268,022,019,696.64/1,872,513.60
  6. Step 6: Final answer
    x = 1,211,217.92

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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.