Home / 446,242.16-615,806.48-245,036.72

Finding the Fourth Proportional to 446,242.16, 615,806.48 and 245,036.72

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Solution

The fourth proportional to 446,242.16, 615,806.48 and 245,036.72 is: 338,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,242.16 : 615,806.48 = 245,036.72 : x
  2. Step 2: Convert to fraction form
    446,242.16/615,806.48 = 245,036.72/x
  3. Step 3: Cross multiply
    446,242.16x = 615,806.48 × 245,036.72
  4. Step 4: Simplify right side
    446,242.16x = 150,895,200,013.95
  5. Step 5: Solve for x
    x = 150,895,200,013.95/446,242.16
  6. Step 6: Final answer
    x = 338,146.45

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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.