Home / 1,205,836-1,664,060.16-753,389.44

Finding the Fourth Proportional to 1,205,836, 1,664,060.16 and 753,389.44

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Solution

The fourth proportional to 1,205,836, 1,664,060.16 and 753,389.44 is: 1,039,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,836 : 1,664,060.16 = 753,389.44 : x
  2. Step 2: Convert to fraction form
    1,205,836/1,664,060.16 = 753,389.44/x
  3. Step 3: Cross multiply
    1,205,836x = 1,664,060.16 × 753,389.44
  4. Step 4: Simplify right side
    1,205,836x = 1,253,685,352,068.71
  5. Step 5: Solve for x
    x = 1,253,685,352,068.71/1,205,836
  6. Step 6: Final answer
    x = 1,039,681.48

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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.