Home / 972,289.77-1,341,760.13-536,707.36

Finding the Fourth Proportional to 972,289.77, 1,341,760.13 and 536,707.36

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Solution

The fourth proportional to 972,289.77, 1,341,760.13 and 536,707.36 is: 740,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,289.77 : 1,341,760.13 = 536,707.36 : x
  2. Step 2: Convert to fraction form
    972,289.77/1,341,760.13 = 536,707.36/x
  3. Step 3: Cross multiply
    972,289.77x = 1,341,760.13 × 536,707.36
  4. Step 4: Simplify right side
    972,289.77x = 720,132,537,125.56
  5. Step 5: Solve for x
    x = 720,132,537,125.56/972,289.77
  6. Step 6: Final answer
    x = 740,656.29

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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.