Home / 440,146.32-607,416.48-249,155.76

Finding the Fourth Proportional to 440,146.32, 607,416.48 and 249,155.76

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Solution

The fourth proportional to 440,146.32, 607,416.48 and 249,155.76 is: 343,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,146.32 : 607,416.48 = 249,155.76 : x
  2. Step 2: Convert to fraction form
    440,146.32/607,416.48 = 249,155.76/x
  3. Step 3: Cross multiply
    440,146.32x = 607,416.48 × 249,155.76
  4. Step 4: Simplify right side
    440,146.32x = 151,341,314,710.93
  5. Step 5: Solve for x
    x = 151,341,314,710.93/440,146.32
  6. Step 6: Final answer
    x = 343,843.19

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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.