Home / 314,529.08-471,400.16-247,705.29

Finding the Fourth Proportional to 314,529.08, 471,400.16 and 247,705.29

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Solution

The fourth proportional to 314,529.08, 471,400.16 and 247,705.29 is: 371,248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,529.08 : 471,400.16 = 247,705.29 : x
  2. Step 2: Convert to fraction form
    314,529.08/471,400.16 = 247,705.29/x
  3. Step 3: Cross multiply
    314,529.08x = 471,400.16 × 247,705.29
  4. Step 4: Simplify right side
    314,529.08x = 116,768,312,100.32
  5. Step 5: Solve for x
    x = 116,768,312,100.32/314,529.08
  6. Step 6: Final answer
    x = 371,248.07

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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.