Home / 1,282,101.48-1,769,181.14-709,129.35

Finding the Fourth Proportional to 1,282,101.48, 1,769,181.14 and 709,129.35

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Solution

The fourth proportional to 1,282,101.48, 1,769,181.14 and 709,129.35 is: 978,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,101.48 : 1,769,181.14 = 709,129.35 : x
  2. Step 2: Convert to fraction form
    1,282,101.48/1,769,181.14 = 709,129.35/x
  3. Step 3: Cross multiply
    1,282,101.48x = 1,769,181.14 × 709,129.35
  4. Step 4: Simplify right side
    1,282,101.48x = 1,254,578,268,294.81
  5. Step 5: Solve for x
    x = 1,254,578,268,294.81/1,282,101.48
  6. Step 6: Final answer
    x = 978,532.74

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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.