Home / 1,457,527.15-2,011,390.23-812,989.09

Finding the Fourth Proportional to 1,457,527.15, 2,011,390.23 and 812,989.09

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Solution

The fourth proportional to 1,457,527.15, 2,011,390.23 and 812,989.09 is: 1,121,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,527.15 : 2,011,390.23 = 812,989.09 : x
  2. Step 2: Convert to fraction form
    1,457,527.15/2,011,390.23 = 812,989.09/x
  3. Step 3: Cross multiply
    1,457,527.15x = 2,011,390.23 × 812,989.09
  4. Step 4: Simplify right side
    1,457,527.15x = 1,635,238,312,722.59
  5. Step 5: Solve for x
    x = 1,635,238,312,722.59/1,457,527.15
  6. Step 6: Final answer
    x = 1,121,926.49

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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.