Home / 839,870.83-1,159,020.93-457,897.51

Finding the Fourth Proportional to 839,870.83, 1,159,020.93 and 457,897.51

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Solution

The fourth proportional to 839,870.83, 1,159,020.93 and 457,897.51 is: 631,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,870.83 : 1,159,020.93 = 457,897.51 : x
  2. Step 2: Convert to fraction form
    839,870.83/1,159,020.93 = 457,897.51/x
  3. Step 3: Cross multiply
    839,870.83x = 1,159,020.93 × 457,897.51
  4. Step 4: Simplify right side
    839,870.83x = 530,712,797,884.88
  5. Step 5: Solve for x
    x = 530,712,797,884.88/839,870.83
  6. Step 6: Final answer
    x = 631,898.12

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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.