Home / 1,215,637.29-1,677,573.05-671,810.85

Finding the Fourth Proportional to 1,215,637.29, 1,677,573.05 and 671,810.85

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Solution

The fourth proportional to 1,215,637.29, 1,677,573.05 and 671,810.85 is: 927,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,637.29 : 1,677,573.05 = 671,810.85 : x
  2. Step 2: Convert to fraction form
    1,215,637.29/1,677,573.05 = 671,810.85/x
  3. Step 3: Cross multiply
    1,215,637.29x = 1,677,573.05 × 671,810.85
  4. Step 4: Simplify right side
    1,215,637.29x = 1,127,011,773,298.54
  5. Step 5: Solve for x
    x = 1,127,011,773,298.54/1,215,637.29
  6. Step 6: Final answer
    x = 927,095.43

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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.