Home / 423,769.05-584,837.45-240,040.40

Finding the Fourth Proportional to 423,769.05, 584,837.45 and 240,040.40

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Solution

The fourth proportional to 423,769.05, 584,837.45 and 240,040.40 is: 331,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,769.05 : 584,837.45 = 240,040.40 : x
  2. Step 2: Convert to fraction form
    423,769.05/584,837.45 = 240,040.40/x
  3. Step 3: Cross multiply
    423,769.05x = 584,837.45 × 240,040.40
  4. Step 4: Simplify right side
    423,769.05x = 140,384,616,779.65
  5. Step 5: Solve for x
    x = 140,384,616,779.65/423,769.05
  6. Step 6: Final answer
    x = 331,276.24

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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.