Home / 684,005.52-943,925.60-382,199.76

Finding the Fourth Proportional to 684,005.52, 943,925.60 and 382,199.76

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Solution

The fourth proportional to 684,005.52, 943,925.60 and 382,199.76 is: 527,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,005.52 : 943,925.60 = 382,199.76 : x
  2. Step 2: Convert to fraction form
    684,005.52/943,925.60 = 382,199.76/x
  3. Step 3: Cross multiply
    684,005.52x = 943,925.60 × 382,199.76
  4. Step 4: Simplify right side
    684,005.52x = 360,768,137,777.86
  5. Step 5: Solve for x
    x = 360,768,137,777.86/684,005.52
  6. Step 6: Final answer
    x = 527,434.54

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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.