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Finding the Fourth Proportional to 1,879,712.64, 2,593,933.65 and 1,020,254.40

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Solution

The fourth proportional to 1,879,712.64, 2,593,933.65 and 1,020,254.40 is: 1,407,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,712.64 : 2,593,933.65 = 1,020,254.40 : x
  2. Step 2: Convert to fraction form
    1,879,712.64/2,593,933.65 = 1,020,254.40/x
  3. Step 3: Cross multiply
    1,879,712.64x = 2,593,933.65 × 1,020,254.40
  4. Step 4: Simplify right side
    1,879,712.64x = 2,646,472,219,720.56
  5. Step 5: Solve for x
    x = 2,646,472,219,720.56/1,879,712.64
  6. Step 6: Final answer
    x = 1,407,913.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.