Home / 771,641.89-1,064,764.82-444,966.96

Finding the Fourth Proportional to 771,641.89, 1,064,764.82 and 444,966.96

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Solution

The fourth proportional to 771,641.89, 1,064,764.82 and 444,966.96 is: 613,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,641.89 : 1,064,764.82 = 444,966.96 : x
  2. Step 2: Convert to fraction form
    771,641.89/1,064,764.82 = 444,966.96/x
  3. Step 3: Cross multiply
    771,641.89x = 1,064,764.82 × 444,966.96
  4. Step 4: Simplify right side
    771,641.89x = 473,785,162,845.51
  5. Step 5: Solve for x
    x = 473,785,162,845.51/771,641.89
  6. Step 6: Final answer
    x = 613,996.17

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1.5x scale

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.