Home / 684,037.58-943,934.96-378,095.72

Finding the Fourth Proportional to 684,037.58, 943,934.96 and 378,095.72

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Solution

The fourth proportional to 684,037.58, 943,934.96 and 378,095.72 is: 521,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,037.58 : 943,934.96 = 378,095.72 : x
  2. Step 2: Convert to fraction form
    684,037.58/943,934.96 = 378,095.72/x
  3. Step 3: Cross multiply
    684,037.58x = 943,934.96 × 378,095.72
  4. Step 4: Simplify right side
    684,037.58x = 356,897,768,334.37
  5. Step 5: Solve for x
    x = 356,897,768,334.37/684,037.58
  6. Step 6: Final answer
    x = 521,751.70

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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.