Home / 1,134,880.55-1,566,056.87-638,238.71

Finding the Fourth Proportional to 1,134,880.55, 1,566,056.87 and 638,238.71

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Solution

The fourth proportional to 1,134,880.55, 1,566,056.87 and 638,238.71 is: 880,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,880.55 : 1,566,056.87 = 638,238.71 : x
  2. Step 2: Convert to fraction form
    1,134,880.55/1,566,056.87 = 638,238.71/x
  3. Step 3: Cross multiply
    1,134,880.55x = 1,566,056.87 × 638,238.71
  4. Step 4: Simplify right side
    1,134,880.55x = 999,518,105,473.96
  5. Step 5: Solve for x
    x = 999,518,105,473.96/1,134,880.55
  6. Step 6: Final answer
    x = 880,725.39

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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.