Home / 1,457,567.14-2,011,437.43-812,986.84

Finding the Fourth Proportional to 1,457,567.14, 2,011,437.43 and 812,986.84

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Solution

The fourth proportional to 1,457,567.14, 2,011,437.43 and 812,986.84 is: 1,121,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,567.14 : 2,011,437.43 = 812,986.84 : x
  2. Step 2: Convert to fraction form
    1,457,567.14/2,011,437.43 = 812,986.84/x
  3. Step 3: Cross multiply
    1,457,567.14x = 2,011,437.43 × 812,986.84
  4. Step 4: Simplify right side
    1,457,567.14x = 1,635,272,160,073.42
  5. Step 5: Solve for x
    x = 1,635,272,160,073.42/1,457,567.14
  6. Step 6: Final answer
    x = 1,121,918.93

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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.