Home / 911,266.07-1,257,534.07-497,797.83

Finding the Fourth Proportional to 911,266.07, 1,257,534.07 and 497,797.83

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Solution

The fourth proportional to 911,266.07, 1,257,534.07 and 497,797.83 is: 686,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,266.07 : 1,257,534.07 = 497,797.83 : x
  2. Step 2: Convert to fraction form
    911,266.07/1,257,534.07 = 497,797.83/x
  3. Step 3: Cross multiply
    911,266.07x = 1,257,534.07 × 497,797.83
  4. Step 4: Simplify right side
    911,266.07x = 625,997,729,952.57
  5. Step 5: Solve for x
    x = 625,997,729,952.57/911,266.07
  6. Step 6: Final answer
    x = 686,953.85

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1.5x scale

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.