Home / 1,579,069.71-2,179,133.81-853,931.58

Finding the Fourth Proportional to 1,579,069.71, 2,179,133.81 and 853,931.58

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Solution

The fourth proportional to 1,579,069.71, 2,179,133.81 and 853,931.58 is: 1,178,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,069.71 : 2,179,133.81 = 853,931.58 : x
  2. Step 2: Convert to fraction form
    1,579,069.71/2,179,133.81 = 853,931.58/x
  3. Step 3: Cross multiply
    1,579,069.71x = 2,179,133.81 × 853,931.58
  4. Step 4: Simplify right side
    1,579,069.71x = 1,860,831,173,135.06
  5. Step 5: Solve for x
    x = 1,860,831,173,135.06/1,579,069.71
  6. Step 6: Final answer
    x = 1,178,435.10

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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.