Home / 1,457,530.16-2,011,394.38-812,992.10

Finding the Fourth Proportional to 1,457,530.16, 2,011,394.38 and 812,992.10

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Solution

The fourth proportional to 1,457,530.16, 2,011,394.38 and 812,992.10 is: 1,121,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,530.16 : 2,011,394.38 = 812,992.10 : x
  2. Step 2: Convert to fraction form
    1,457,530.16/2,011,394.38 = 812,992.10/x
  3. Step 3: Cross multiply
    1,457,530.16x = 2,011,394.38 × 812,992.10
  4. Step 4: Simplify right side
    1,457,530.16x = 1,635,247,740,924.40
  5. Step 5: Solve for x
    x = 1,635,247,740,924.40/1,457,530.16
  6. Step 6: Final answer
    x = 1,121,930.64

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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.