Home / 985,667.17-1,478,277.78-452,675.83

Finding the Fourth Proportional to 985,667.17, 1,478,277.78 and 452,675.83

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Solution

The fourth proportional to 985,667.17, 1,478,277.78 and 452,675.83 is: 678,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,667.17 : 1,478,277.78 = 452,675.83 : x
  2. Step 2: Convert to fraction form
    985,667.17/1,478,277.78 = 452,675.83/x
  3. Step 3: Cross multiply
    985,667.17x = 1,478,277.78 × 452,675.83
  4. Step 4: Simplify right side
    985,667.17x = 669,180,621,032.06
  5. Step 5: Solve for x
    x = 669,180,621,032.06/985,667.17
  6. Step 6: Final answer
    x = 678,911.34

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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.