Home / 347,345.10-521,017.65-235,079.10

Finding the Fourth Proportional to 347,345.10, 521,017.65 and 235,079.10

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Solution

The fourth proportional to 347,345.10, 521,017.65 and 235,079.10 is: 352,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,345.10 : 521,017.65 = 235,079.10 : x
  2. Step 2: Convert to fraction form
    347,345.10/521,017.65 = 235,079.10/x
  3. Step 3: Cross multiply
    347,345.10x = 521,017.65 × 235,079.10
  4. Step 4: Simplify right side
    347,345.10x = 122,480,360,246.12
  5. Step 5: Solve for x
    x = 122,480,360,246.12/347,345.10
  6. Step 6: Final answer
    x = 352,618.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.