Home / 839,738-1,159,252.15-581,810.51

Finding the Fourth Proportional to 839,738, 1,159,252.15 and 581,810.51

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Solution

The fourth proportional to 839,738, 1,159,252.15 and 581,810.51 is: 803,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,738 : 1,159,252.15 = 581,810.51 : x
  2. Step 2: Convert to fraction form
    839,738/1,159,252.15 = 581,810.51/x
  3. Step 3: Cross multiply
    839,738x = 1,159,252.15 × 581,810.51
  4. Step 4: Simplify right side
    839,738x = 674,465,084,610.10
  5. Step 5: Solve for x
    x = 674,465,084,610.10/839,738
  6. Step 6: Final answer
    x = 803,185.14

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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.