Home / 1,123,303.70-1,684,955.55-1,070,815.70

Finding the Fourth Proportional to 1,123,303.70, 1,684,955.55 and 1,070,815.70

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Solution

The fourth proportional to 1,123,303.70, 1,684,955.55 and 1,070,815.70 is: 1,606,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,303.70 : 1,684,955.55 = 1,070,815.70 : x
  2. Step 2: Convert to fraction form
    1,123,303.70/1,684,955.55 = 1,070,815.70/x
  3. Step 3: Cross multiply
    1,123,303.70x = 1,684,955.55 × 1,070,815.70
  4. Step 4: Simplify right side
    1,123,303.70x = 1,804,276,856,742.14
  5. Step 5: Solve for x
    x = 1,804,276,856,742.14/1,123,303.70
  6. Step 6: Final answer
    x = 1,606,223.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.