Home / 1,191,426.16-1,644,184.74-647,561.78

Finding the Fourth Proportional to 1,191,426.16, 1,644,184.74 and 647,561.78

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Solution

The fourth proportional to 1,191,426.16, 1,644,184.74 and 647,561.78 is: 893,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,426.16 : 1,644,184.74 = 647,561.78 : x
  2. Step 2: Convert to fraction form
    1,191,426.16/1,644,184.74 = 647,561.78/x
  3. Step 3: Cross multiply
    1,191,426.16x = 1,644,184.74 × 647,561.78
  4. Step 4: Simplify right side
    1,191,426.16x = 1,064,711,196,883.24
  5. Step 5: Solve for x
    x = 1,064,711,196,883.24/1,191,426.16
  6. Step 6: Final answer
    x = 893,644.30

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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.