Home / 1,149,294.51-1,586,026.40-666,139.91

Finding the Fourth Proportional to 1,149,294.51, 1,586,026.40 and 666,139.91

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Solution

The fourth proportional to 1,149,294.51, 1,586,026.40 and 666,139.91 is: 919,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,294.51 : 1,586,026.40 = 666,139.91 : x
  2. Step 2: Convert to fraction form
    1,149,294.51/1,586,026.40 = 666,139.91/x
  3. Step 3: Cross multiply
    1,149,294.51x = 1,586,026.40 × 666,139.91
  4. Step 4: Simplify right side
    1,149,294.51x = 1,056,515,477,088.84
  5. Step 5: Solve for x
    x = 1,056,515,477,088.84/1,149,294.51
  6. Step 6: Final answer
    x = 919,273.06

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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.