Home / 763,298.04-1,150,433.57-657,953.49

Finding the Fourth Proportional to 763,298.04, 1,150,433.57 and 657,953.49

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Solution

The fourth proportional to 763,298.04, 1,150,433.57 and 657,953.49 is: 991,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,298.04 : 1,150,433.57 = 657,953.49 : x
  2. Step 2: Convert to fraction form
    763,298.04/1,150,433.57 = 657,953.49/x
  3. Step 3: Cross multiply
    763,298.04x = 1,150,433.57 × 657,953.49
  4. Step 4: Simplify right side
    763,298.04x = 756,931,779,104.89
  5. Step 5: Solve for x
    x = 756,931,779,104.89/763,298.04
  6. Step 6: Final answer
    x = 991,659.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.