Home / 912,698.61-1,366,951.70-455,887.71

Finding the Fourth Proportional to 912,698.61, 1,366,951.70 and 455,887.71

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Solution

The fourth proportional to 912,698.61, 1,366,951.70 and 455,887.71 is: 682,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,698.61 : 1,366,951.70 = 455,887.71 : x
  2. Step 2: Convert to fraction form
    912,698.61/1,366,951.70 = 455,887.71/x
  3. Step 3: Cross multiply
    912,698.61x = 1,366,951.70 × 455,887.71
  4. Step 4: Simplify right side
    912,698.61x = 623,176,477,914.17
  5. Step 5: Solve for x
    x = 623,176,477,914.17/912,698.61
  6. Step 6: Final answer
    x = 682,784.52

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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.