Home / 766,855.42-1,058,136.02-444,502.56

Finding the Fourth Proportional to 766,855.42, 1,058,136.02 and 444,502.56

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Solution

The fourth proportional to 766,855.42, 1,058,136.02 and 444,502.56 is: 613,341.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,855.42 : 1,058,136.02 = 444,502.56 : x
  2. Step 2: Convert to fraction form
    766,855.42/1,058,136.02 = 444,502.56/x
  3. Step 3: Cross multiply
    766,855.42x = 1,058,136.02 × 444,502.56
  4. Step 4: Simplify right side
    766,855.42x = 470,344,169,718.21
  5. Step 5: Solve for x
    x = 470,344,169,718.21/766,855.42
  6. Step 6: Final answer
    x = 613,341.39

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Double scale
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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.