Home / 430,345.36-593,895-249,065.20

Finding the Fourth Proportional to 430,345.36, 593,895 and 249,065.20

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Solution

The fourth proportional to 430,345.36, 593,895 and 249,065.20 is: 343,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,345.36 : 593,895 = 249,065.20 : x
  2. Step 2: Convert to fraction form
    430,345.36/593,895 = 249,065.20/x
  3. Step 3: Cross multiply
    430,345.36x = 593,895 × 249,065.20
  4. Step 4: Simplify right side
    430,345.36x = 147,918,576,954
  5. Step 5: Solve for x
    x = 147,918,576,954/430,345.36
  6. Step 6: Final answer
    x = 343,720.63

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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.