Home / 403,500.18-556,808.93-231,409.26

Finding the Fourth Proportional to 403,500.18, 556,808.93 and 231,409.26

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Solution

The fourth proportional to 403,500.18, 556,808.93 and 231,409.26 is: 319,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,500.18 : 556,808.93 = 231,409.26 : x
  2. Step 2: Convert to fraction form
    403,500.18/556,808.93 = 231,409.26/x
  3. Step 3: Cross multiply
    403,500.18x = 556,808.93 × 231,409.26
  4. Step 4: Simplify right side
    403,500.18x = 128,850,740,247.17
  5. Step 5: Solve for x
    x = 128,850,740,247.17/403,500.18
  6. Step 6: Final answer
    x = 319,332.55

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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.