Home / 1,152,584.08-1,590,591.52-636,336.40

Finding the Fourth Proportional to 1,152,584.08, 1,590,591.52 and 636,336.40

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Solution

The fourth proportional to 1,152,584.08, 1,590,591.52 and 636,336.40 is: 878,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,584.08 : 1,590,591.52 = 636,336.40 : x
  2. Step 2: Convert to fraction form
    1,152,584.08/1,590,591.52 = 636,336.40/x
  3. Step 3: Cross multiply
    1,152,584.08x = 1,590,591.52 × 636,336.40
  4. Step 4: Simplify right side
    1,152,584.08x = 1,012,151,281,707.33
  5. Step 5: Solve for x
    x = 1,012,151,281,707.33/1,152,584.08
  6. Step 6: Final answer
    x = 878,158.30

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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.