Home / 750,541.65-1,125,814.75-181,920.51

Finding the Fourth Proportional to 750,541.65, 1,125,814.75 and 181,920.51

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Solution

The fourth proportional to 750,541.65, 1,125,814.75 and 181,920.51 is: 272,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,541.65 : 1,125,814.75 = 181,920.51 : x
  2. Step 2: Convert to fraction form
    750,541.65/1,125,814.75 = 181,920.51/x
  3. Step 3: Cross multiply
    750,541.65x = 1,125,814.75 × 181,920.51
  4. Step 4: Simplify right side
    750,541.65x = 204,808,793,485.52
  5. Step 5: Solve for x
    x = 204,808,793,485.52/750,541.65
  6. Step 6: Final answer
    x = 272,881.32

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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.