Home / 1,872,226.64-2,808,499.69-657,697.12

Finding the Fourth Proportional to 1,872,226.64, 2,808,499.69 and 657,697.12

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Solution

The fourth proportional to 1,872,226.64, 2,808,499.69 and 657,697.12 is: 986,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,226.64 : 2,808,499.69 = 657,697.12 : x
  2. Step 2: Convert to fraction form
    1,872,226.64/2,808,499.69 = 657,697.12/x
  3. Step 3: Cross multiply
    1,872,226.64x = 2,808,499.69 × 657,697.12
  4. Step 4: Simplify right side
    1,872,226.64x = 1,847,142,154,345.41
  5. Step 5: Solve for x
    x = 1,847,142,154,345.41/1,872,226.64
  6. Step 6: Final answer
    x = 986,601.79

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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.