Home / 418,888.03-578,071.40-227,901.57

Finding the Fourth Proportional to 418,888.03, 578,071.40 and 227,901.57

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Solution

The fourth proportional to 418,888.03, 578,071.40 and 227,901.57 is: 314,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,888.03 : 578,071.40 = 227,901.57 : x
  2. Step 2: Convert to fraction form
    418,888.03/578,071.40 = 227,901.57/x
  3. Step 3: Cross multiply
    418,888.03x = 578,071.40 × 227,901.57
  4. Step 4: Simplify right side
    418,888.03x = 131,743,378,492.59
  5. Step 5: Solve for x
    x = 131,743,378,492.59/418,888.03
  6. Step 6: Final answer
    x = 314,507.39

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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.