Home / 1,409,530.14-1,945,165.95-764,955.90

Finding the Fourth Proportional to 1,409,530.14, 1,945,165.95 and 764,955.90

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Solution

The fourth proportional to 1,409,530.14, 1,945,165.95 and 764,955.90 is: 1,055,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,530.14 : 1,945,165.95 = 764,955.90 : x
  2. Step 2: Convert to fraction form
    1,409,530.14/1,945,165.95 = 764,955.90/x
  3. Step 3: Cross multiply
    1,409,530.14x = 1,945,165.95 × 764,955.90
  4. Step 4: Simplify right side
    1,409,530.14x = 1,487,966,169,931.61
  5. Step 5: Solve for x
    x = 1,487,966,169,931.61/1,409,530.14
  6. Step 6: Final answer
    x = 1,055,646.93

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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.