Home / 1,071,767.61-1,605,549.48-621,542.61

Finding the Fourth Proportional to 1,071,767.61, 1,605,549.48 and 621,542.61

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Solution

The fourth proportional to 1,071,767.61, 1,605,549.48 and 621,542.61 is: 931,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,767.61 : 1,605,549.48 = 621,542.61 : x
  2. Step 2: Convert to fraction form
    1,071,767.61/1,605,549.48 = 621,542.61/x
  3. Step 3: Cross multiply
    1,071,767.61x = 1,605,549.48 × 621,542.61
  4. Step 4: Simplify right side
    1,071,767.61x = 997,917,411,175.63
  5. Step 5: Solve for x
    x = 997,917,411,175.63/1,071,767.61
  6. Step 6: Final answer
    x = 931,094.96

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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.