Home / 558,720.63-771,019.70-304,066.35

Finding the Fourth Proportional to 558,720.63, 771,019.70 and 304,066.35

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Solution

The fourth proportional to 558,720.63, 771,019.70 and 304,066.35 is: 419,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,720.63 : 771,019.70 = 304,066.35 : x
  2. Step 2: Convert to fraction form
    558,720.63/771,019.70 = 304,066.35/x
  3. Step 3: Cross multiply
    558,720.63x = 771,019.70 × 304,066.35
  4. Step 4: Simplify right side
    558,720.63x = 234,441,144,436.76
  5. Step 5: Solve for x
    x = 234,441,144,436.76/558,720.63
  6. Step 6: Final answer
    x = 419,603.52

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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.