Home / 1,282,354.66-1,769,701.53-709,384.96

Finding the Fourth Proportional to 1,282,354.66, 1,769,701.53 and 709,384.96

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Solution

The fourth proportional to 1,282,354.66, 1,769,701.53 and 709,384.96 is: 978,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,354.66 : 1,769,701.53 = 709,384.96 : x
  2. Step 2: Convert to fraction form
    1,282,354.66/1,769,701.53 = 709,384.96/x
  3. Step 3: Cross multiply
    1,282,354.66x = 1,769,701.53 × 709,384.96
  4. Step 4: Simplify right side
    1,282,354.66x = 1,255,399,649,070.99
  5. Step 5: Solve for x
    x = 1,255,399,649,070.99/1,282,354.66
  6. Step 6: Final answer
    x = 978,980.07

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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.