Home / 1,528,239.24-2,109,017.59-839,898.58

Finding the Fourth Proportional to 1,528,239.24, 2,109,017.59 and 839,898.58

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Solution

The fourth proportional to 1,528,239.24, 2,109,017.59 and 839,898.58 is: 1,159,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,239.24 : 2,109,017.59 = 839,898.58 : x
  2. Step 2: Convert to fraction form
    1,528,239.24/2,109,017.59 = 839,898.58/x
  3. Step 3: Cross multiply
    1,528,239.24x = 2,109,017.59 × 839,898.58
  4. Step 4: Simplify right side
    1,528,239.24x = 1,771,360,869,540.81
  5. Step 5: Solve for x
    x = 1,771,360,869,540.81/1,528,239.24
  6. Step 6: Final answer
    x = 1,159,086.10

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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.