Home / 943,491.15-1,301,840.51-556,428.56

Finding the Fourth Proportional to 943,491.15, 1,301,840.51 and 556,428.56

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Solution

The fourth proportional to 943,491.15, 1,301,840.51 and 556,428.56 is: 767,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,491.15 : 1,301,840.51 = 556,428.56 : x
  2. Step 2: Convert to fraction form
    943,491.15/1,301,840.51 = 556,428.56/x
  3. Step 3: Cross multiply
    943,491.15x = 1,301,840.51 × 556,428.56
  4. Step 4: Simplify right side
    943,491.15x = 724,381,231,037.62
  5. Step 5: Solve for x
    x = 724,381,231,037.62/943,491.15
  6. Step 6: Final answer
    x = 767,766.85

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1.5x scale

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.