Home / 839,715.47-1,158,094.27-709,530.95

Finding the Fourth Proportional to 839,715.47, 1,158,094.27 and 709,530.95

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Solution

The fourth proportional to 839,715.47, 1,158,094.27 and 709,530.95 is: 978,550.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,715.47 : 1,158,094.27 = 709,530.95 : x
  2. Step 2: Convert to fraction form
    839,715.47/1,158,094.27 = 709,530.95/x
  3. Step 3: Cross multiply
    839,715.47x = 1,158,094.27 × 709,530.95
  4. Step 4: Simplify right side
    839,715.47x = 821,703,727,582.66
  5. Step 5: Solve for x
    x = 821,703,727,582.66/839,715.47
  6. Step 6: Final answer
    x = 978,550.18

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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.