Home / 1,386,769.57-1,913,705.22-774,927.36

Finding the Fourth Proportional to 1,386,769.57, 1,913,705.22 and 774,927.36

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Solution

The fourth proportional to 1,386,769.57, 1,913,705.22 and 774,927.36 is: 1,069,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,769.57 : 1,913,705.22 = 774,927.36 : x
  2. Step 2: Convert to fraction form
    1,386,769.57/1,913,705.22 = 774,927.36/x
  3. Step 3: Cross multiply
    1,386,769.57x = 1,913,705.22 × 774,927.36
  4. Step 4: Simplify right side
    1,386,769.57x = 1,482,982,533,952.82
  5. Step 5: Solve for x
    x = 1,482,982,533,952.82/1,386,769.57
  6. Step 6: Final answer
    x = 1,069,379.20

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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.