Home / 470,683.19-649,546.76-255,823.20

Finding the Fourth Proportional to 470,683.19, 649,546.76 and 255,823.20

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Solution

The fourth proportional to 470,683.19, 649,546.76 and 255,823.20 is: 353,038.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,683.19 : 649,546.76 = 255,823.20 : x
  2. Step 2: Convert to fraction form
    470,683.19/649,546.76 = 255,823.20/x
  3. Step 3: Cross multiply
    470,683.19x = 649,546.76 × 255,823.20
  4. Step 4: Simplify right side
    470,683.19x = 166,169,130,692.83
  5. Step 5: Solve for x
    x = 166,169,130,692.83/470,683.19
  6. Step 6: Final answer
    x = 353,038.17

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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.