Home / 440,078.29-607,310.03-249,128.62

Finding the Fourth Proportional to 440,078.29, 607,310.03 and 249,128.62

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Solution

The fourth proportional to 440,078.29, 607,310.03 and 249,128.62 is: 343,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,078.29 : 607,310.03 = 249,128.62 : x
  2. Step 2: Convert to fraction form
    440,078.29/607,310.03 = 249,128.62/x
  3. Step 3: Cross multiply
    440,078.29x = 607,310.03 × 249,128.62
  4. Step 4: Simplify right side
    440,078.29x = 151,298,309,686.06
  5. Step 5: Solve for x
    x = 151,298,309,686.06/440,078.29
  6. Step 6: Final answer
    x = 343,798.62

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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.