Home / 779,053.86-1,167,875.46-305,612.10

Finding the Fourth Proportional to 779,053.86, 1,167,875.46 and 305,612.10

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Solution

The fourth proportional to 779,053.86, 1,167,875.46 and 305,612.10 is: 458,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,053.86 : 1,167,875.46 = 305,612.10 : x
  2. Step 2: Convert to fraction form
    779,053.86/1,167,875.46 = 305,612.10/x
  3. Step 3: Cross multiply
    779,053.86x = 1,167,875.46 × 305,612.10
  4. Step 4: Simplify right side
    779,053.86x = 356,916,871,869.07
  5. Step 5: Solve for x
    x = 356,916,871,869.07/779,053.86
  6. Step 6: Final answer
    x = 458,141.46

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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.