Home / 692,031.78-1,037,677.68-354,934.89

Finding the Fourth Proportional to 692,031.78, 1,037,677.68 and 354,934.89

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Solution

The fourth proportional to 692,031.78, 1,037,677.68 and 354,934.89 is: 532,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,031.78 : 1,037,677.68 = 354,934.89 : x
  2. Step 2: Convert to fraction form
    692,031.78/1,037,677.68 = 354,934.89/x
  3. Step 3: Cross multiply
    692,031.78x = 1,037,677.68 × 354,934.89
  4. Step 4: Simplify right side
    692,031.78x = 368,308,013,206.26
  5. Step 5: Solve for x
    x = 368,308,013,206.26/692,031.78
  6. Step 6: Final answer
    x = 532,212.57

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1.5x scale

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.