Home / 1,426,102.16-1,967,935.56-781,394

Finding the Fourth Proportional to 1,426,102.16, 1,967,935.56 and 781,394

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Solution

The fourth proportional to 1,426,102.16, 1,967,935.56 and 781,394 is: 1,078,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,102.16 : 1,967,935.56 = 781,394 : x
  2. Step 2: Convert to fraction form
    1,426,102.16/1,967,935.56 = 781,394/x
  3. Step 3: Cross multiply
    1,426,102.16x = 1,967,935.56 × 781,394
  4. Step 4: Simplify right side
    1,426,102.16x = 1,537,733,038,970.64
  5. Step 5: Solve for x
    x = 1,537,733,038,970.64/1,426,102.16
  6. Step 6: Final answer
    x = 1,078,276.92

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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.