Home / 839,714.47-1,158,092.90-709,529.95

Finding the Fourth Proportional to 839,714.47, 1,158,092.90 and 709,529.95

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Solution

The fourth proportional to 839,714.47, 1,158,092.90 and 709,529.95 is: 978,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,714.47 : 1,158,092.90 = 709,529.95 : x
  2. Step 2: Convert to fraction form
    839,714.47/1,158,092.90 = 709,529.95/x
  3. Step 3: Cross multiply
    839,714.47x = 1,158,092.90 × 709,529.95
  4. Step 4: Simplify right side
    839,714.47x = 821,701,588,094.24
  5. Step 5: Solve for x
    x = 821,701,588,094.24/839,714.47
  6. Step 6: Final answer
    x = 978,548.81

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1.5x scale

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.