Home / 903,214.49-1,354,821.75-304,125.49

Finding the Fourth Proportional to 903,214.49, 1,354,821.75 and 304,125.49

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Solution

The fourth proportional to 903,214.49, 1,354,821.75 and 304,125.49 is: 456,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,214.49 : 1,354,821.75 = 304,125.49 : x
  2. Step 2: Convert to fraction form
    903,214.49/1,354,821.75 = 304,125.49/x
  3. Step 3: Cross multiply
    903,214.49x = 1,354,821.75 × 304,125.49
  4. Step 4: Simplify right side
    903,214.49x = 412,035,827,060.78
  5. Step 5: Solve for x
    x = 412,035,827,060.78/903,214.49
  6. Step 6: Final answer
    x = 456,188.24

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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.