Home / 1,226,827.16-1,840,313.88-385,378.64

Finding the Fourth Proportional to 1,226,827.16, 1,840,313.88 and 385,378.64

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Solution

The fourth proportional to 1,226,827.16, 1,840,313.88 and 385,378.64 is: 578,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,827.16 : 1,840,313.88 = 385,378.64 : x
  2. Step 2: Convert to fraction form
    1,226,827.16/1,840,313.88 = 385,378.64/x
  3. Step 3: Cross multiply
    1,226,827.16x = 1,840,313.88 × 385,378.64
  4. Step 4: Simplify right side
    1,226,827.16x = 709,217,660,247.52
  5. Step 5: Solve for x
    x = 709,217,660,247.52/1,226,827.16
  6. Step 6: Final answer
    x = 578,090.94

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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.