Home / 1,657,963.10-2,488,256.85-647,569.10

Finding the Fourth Proportional to 1,657,963.10, 2,488,256.85 and 647,569.10

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Solution

The fourth proportional to 1,657,963.10, 2,488,256.85 and 647,569.10 is: 971,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,963.10 : 2,488,256.85 = 647,569.10 : x
  2. Step 2: Convert to fraction form
    1,657,963.10/2,488,256.85 = 647,569.10/x
  3. Step 3: Cross multiply
    1,657,963.10x = 2,488,256.85 × 647,569.10
  4. Step 4: Simplify right side
    1,657,963.10x = 1,611,318,248,923.34
  5. Step 5: Solve for x
    x = 1,611,318,248,923.34/1,657,963.10
  6. Step 6: Final answer
    x = 971,866.17

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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.