Home / 991,502.10-1,368,521.73-562,038.48

Finding the Fourth Proportional to 991,502.10, 1,368,521.73 and 562,038.48

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Solution

The fourth proportional to 991,502.10, 1,368,521.73 and 562,038.48 is: 775,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,502.10 : 1,368,521.73 = 562,038.48 : x
  2. Step 2: Convert to fraction form
    991,502.10/1,368,521.73 = 562,038.48/x
  3. Step 3: Cross multiply
    991,502.10x = 1,368,521.73 × 562,038.48
  4. Step 4: Simplify right side
    991,502.10x = 769,161,872,976.17
  5. Step 5: Solve for x
    x = 769,161,872,976.17/991,502.10
  6. Step 6: Final answer
    x = 775,754.15

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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.