Home / 1,023,078.42-1,411,817.35-564,192.78

Finding the Fourth Proportional to 1,023,078.42, 1,411,817.35 and 564,192.78

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Solution

The fourth proportional to 1,023,078.42, 1,411,817.35 and 564,192.78 is: 778,569.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,078.42 : 1,411,817.35 = 564,192.78 : x
  2. Step 2: Convert to fraction form
    1,023,078.42/1,411,817.35 = 564,192.78/x
  3. Step 3: Cross multiply
    1,023,078.42x = 1,411,817.35 × 564,192.78
  4. Step 4: Simplify right side
    1,023,078.42x = 796,537,155,548.73
  5. Step 5: Solve for x
    x = 796,537,155,548.73/1,023,078.42
  6. Step 6: Final answer
    x = 778,569.01

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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.