Home / 476,637.48-657,775.08-275,433.48

Finding the Fourth Proportional to 476,637.48, 657,775.08 and 275,433.48

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Solution

The fourth proportional to 476,637.48, 657,775.08 and 275,433.48 is: 380,107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,637.48 : 657,775.08 = 275,433.48 : x
  2. Step 2: Convert to fraction form
    476,637.48/657,775.08 = 275,433.48/x
  3. Step 3: Cross multiply
    476,637.48x = 657,775.08 × 275,433.48
  4. Step 4: Simplify right side
    476,637.48x = 181,173,279,341.68
  5. Step 5: Solve for x
    x = 181,173,279,341.68/476,637.48
  6. Step 6: Final answer
    x = 380,107.08

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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.