Home / 1,011,361.28-1,395,720.96-581,641.76

Finding the Fourth Proportional to 1,011,361.28, 1,395,720.96 and 581,641.76

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Solution

The fourth proportional to 1,011,361.28, 1,395,720.96 and 581,641.76 is: 802,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,361.28 : 1,395,720.96 = 581,641.76 : x
  2. Step 2: Convert to fraction form
    1,011,361.28/1,395,720.96 = 581,641.76/x
  3. Step 3: Cross multiply
    1,011,361.28x = 1,395,720.96 × 581,641.76
  4. Step 4: Simplify right side
    1,011,361.28x = 811,809,595,643.29
  5. Step 5: Solve for x
    x = 811,809,595,643.29/1,011,361.28
  6. Step 6: Final answer
    x = 802,690.01

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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.