Home / 476,294.10-657,293.34-261,453.78

Finding the Fourth Proportional to 476,294.10, 657,293.34 and 261,453.78

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Solution

The fourth proportional to 476,294.10, 657,293.34 and 261,453.78 is: 360,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,294.10 : 657,293.34 = 261,453.78 : x
  2. Step 2: Convert to fraction form
    476,294.10/657,293.34 = 261,453.78/x
  3. Step 3: Cross multiply
    476,294.10x = 657,293.34 × 261,453.78
  4. Step 4: Simplify right side
    476,294.10x = 171,851,828,311.83
  5. Step 5: Solve for x
    x = 171,851,828,311.83/476,294.10
  6. Step 6: Final answer
    x = 360,810.32

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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.