Home / 1,868,539.05-2,802,810.47-520,705.53

Finding the Fourth Proportional to 1,868,539.05, 2,802,810.47 and 520,705.53

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Solution

The fourth proportional to 1,868,539.05, 2,802,810.47 and 520,705.53 is: 781,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,539.05 : 2,802,810.47 = 520,705.53 : x
  2. Step 2: Convert to fraction form
    1,868,539.05/2,802,810.47 = 520,705.53/x
  3. Step 3: Cross multiply
    1,868,539.05x = 2,802,810.47 × 520,705.53
  4. Step 4: Simplify right side
    1,868,539.05x = 1,459,438,908,667.37
  5. Step 5: Solve for x
    x = 1,459,438,908,667.37/1,868,539.05
  6. Step 6: Final answer
    x = 781,058.82

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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.