Home / 476,322.76-657,326.35-282,769.29

Finding the Fourth Proportional to 476,322.76, 657,326.35 and 282,769.29

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Solution

The fourth proportional to 476,322.76, 657,326.35 and 282,769.29 is: 390,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,322.76 : 657,326.35 = 282,769.29 : x
  2. Step 2: Convert to fraction form
    476,322.76/657,326.35 = 282,769.29/x
  3. Step 3: Cross multiply
    476,322.76x = 657,326.35 × 282,769.29
  4. Step 4: Simplify right side
    476,322.76x = 185,871,703,873.95
  5. Step 5: Solve for x
    x = 185,871,703,873.95/476,322.76
  6. Step 6: Final answer
    x = 390,222.18

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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.