Home / 470,868.38-706,746.45-171,638.18

Finding the Fourth Proportional to 470,868.38, 706,746.45 and 171,638.18

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Solution

The fourth proportional to 470,868.38, 706,746.45 and 171,638.18 is: 257,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,868.38 : 706,746.45 = 171,638.18 : x
  2. Step 2: Convert to fraction form
    470,868.38/706,746.45 = 171,638.18/x
  3. Step 3: Cross multiply
    470,868.38x = 706,746.45 × 171,638.18
  4. Step 4: Simplify right side
    470,868.38x = 121,304,674,399.46
  5. Step 5: Solve for x
    x = 121,304,674,399.46/470,868.38
  6. Step 6: Final answer
    x = 257,619.07

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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.