Home / 859,381.86-1,185,925.68-477,409.58

Finding the Fourth Proportional to 859,381.86, 1,185,925.68 and 477,409.58

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Solution

The fourth proportional to 859,381.86, 1,185,925.68 and 477,409.58 is: 658,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,381.86 : 1,185,925.68 = 477,409.58 : x
  2. Step 2: Convert to fraction form
    859,381.86/1,185,925.68 = 477,409.58/x
  3. Step 3: Cross multiply
    859,381.86x = 1,185,925.68 × 477,409.58
  4. Step 4: Simplify right side
    859,381.86x = 566,172,280,800.01
  5. Step 5: Solve for x
    x = 566,172,280,800.01/859,381.86
  6. Step 6: Final answer
    x = 658,813.40

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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.