Home / 421,001.16-580,989.96-230,026.40

Finding the Fourth Proportional to 421,001.16, 580,989.96 and 230,026.40

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Solution

The fourth proportional to 421,001.16, 580,989.96 and 230,026.40 is: 317,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,001.16 : 580,989.96 = 230,026.40 : x
  2. Step 2: Convert to fraction form
    421,001.16/580,989.96 = 230,026.40/x
  3. Step 3: Cross multiply
    421,001.16x = 580,989.96 × 230,026.40
  4. Step 4: Simplify right side
    421,001.16x = 133,643,028,934.94
  5. Step 5: Solve for x
    x = 133,643,028,934.94/421,001.16
  6. Step 6: Final answer
    x = 317,441.00

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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.