Home / 1,312,704-1,811,532.48-709,092

Finding the Fourth Proportional to 1,312,704, 1,811,532.48 and 709,092

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Solution

The fourth proportional to 1,312,704, 1,811,532.48 and 709,092 is: 978,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,704 : 1,811,532.48 = 709,092 : x
  2. Step 2: Convert to fraction form
    1,312,704/1,811,532.48 = 709,092/x
  3. Step 3: Cross multiply
    1,312,704x = 1,811,532.48 × 709,092
  4. Step 4: Simplify right side
    1,312,704x = 1,284,543,189,308.16
  5. Step 5: Solve for x
    x = 1,284,543,189,308.16/1,312,704
  6. Step 6: Final answer
    x = 978,547.48

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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.