Home / 764,868.15-1,146,318.08-465,030.45

Finding the Fourth Proportional to 764,868.15, 1,146,318.08 and 465,030.45

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Solution

The fourth proportional to 764,868.15, 1,146,318.08 and 465,030.45 is: 696,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,868.15 : 1,146,318.08 = 465,030.45 : x
  2. Step 2: Convert to fraction form
    764,868.15/1,146,318.08 = 465,030.45/x
  3. Step 3: Cross multiply
    764,868.15x = 1,146,318.08 × 465,030.45
  4. Step 4: Simplify right side
    764,868.15x = 533,072,810,260.38
  5. Step 5: Solve for x
    x = 533,072,810,260.38/764,868.15
  6. Step 6: Final answer
    x = 696,947.32

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1.5x scale

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.