Home / 470,312.76-649,040.16-266,406.02

Finding the Fourth Proportional to 470,312.76, 649,040.16 and 266,406.02

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Solution

The fourth proportional to 470,312.76, 649,040.16 and 266,406.02 is: 367,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,312.76 : 649,040.16 = 266,406.02 : x
  2. Step 2: Convert to fraction form
    470,312.76/649,040.16 = 266,406.02/x
  3. Step 3: Cross multiply
    470,312.76x = 649,040.16 × 266,406.02
  4. Step 4: Simplify right side
    470,312.76x = 172,908,205,845.76
  5. Step 5: Solve for x
    x = 172,908,205,845.76/470,312.76
  6. Step 6: Final answer
    x = 367,645.15

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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.