Home / 695,034.81-959,095.02-389,041.11

Finding the Fourth Proportional to 695,034.81, 959,095.02 and 389,041.11

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Solution

The fourth proportional to 695,034.81, 959,095.02 and 389,041.11 is: 536,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,034.81 : 959,095.02 = 389,041.11 : x
  2. Step 2: Convert to fraction form
    695,034.81/959,095.02 = 389,041.11/x
  3. Step 3: Cross multiply
    695,034.81x = 959,095.02 × 389,041.11
  4. Step 4: Simplify right side
    695,034.81x = 373,127,391,176.27
  5. Step 5: Solve for x
    x = 373,127,391,176.27/695,034.81
  6. Step 6: Final answer
    x = 536,847.06

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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.