Home / 1,918,713.92-2,877,569.40-570,513.44

Finding the Fourth Proportional to 1,918,713.92, 2,877,569.40 and 570,513.44

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Solution

The fourth proportional to 1,918,713.92, 2,877,569.40 and 570,513.44 is: 855,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,713.92 : 2,877,569.40 = 570,513.44 : x
  2. Step 2: Convert to fraction form
    1,918,713.92/2,877,569.40 = 570,513.44/x
  3. Step 3: Cross multiply
    1,918,713.92x = 2,877,569.40 × 570,513.44
  4. Step 4: Simplify right side
    1,918,713.92x = 1,641,692,017,232.74
  5. Step 5: Solve for x
    x = 1,641,692,017,232.74/1,918,713.92
  6. Step 6: Final answer
    x = 855,621.05

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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.