Home / 908,037.17-1,253,099.77-500,140.51

Finding the Fourth Proportional to 908,037.17, 1,253,099.77 and 500,140.51

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Solution

The fourth proportional to 908,037.17, 1,253,099.77 and 500,140.51 is: 690,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,037.17 : 1,253,099.77 = 500,140.51 : x
  2. Step 2: Convert to fraction form
    908,037.17/1,253,099.77 = 500,140.51/x
  3. Step 3: Cross multiply
    908,037.17x = 1,253,099.77 × 500,140.51
  4. Step 4: Simplify right side
    908,037.17x = 626,725,953,665.58
  5. Step 5: Solve for x
    x = 626,725,953,665.58/908,037.17
  6. Step 6: Final answer
    x = 690,198.57

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Double scale
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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.