Home / 476,439.65-657,488.01-261,593.63

Finding the Fourth Proportional to 476,439.65, 657,488.01 and 261,593.63

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Solution

The fourth proportional to 476,439.65, 657,488.01 and 261,593.63 is: 360,999.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,439.65 : 657,488.01 = 261,593.63 : x
  2. Step 2: Convert to fraction form
    476,439.65/657,488.01 = 261,593.63/x
  3. Step 3: Cross multiply
    476,439.65x = 657,488.01 × 261,593.63
  4. Step 4: Simplify right side
    476,439.65x = 171,994,678,339.13
  5. Step 5: Solve for x
    x = 171,994,678,339.13/476,439.65
  6. Step 6: Final answer
    x = 360,999.92

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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.