Home / 922,835.59-1,384,468.68-315,628.62

Finding the Fourth Proportional to 922,835.59, 1,384,468.68 and 315,628.62

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Solution

The fourth proportional to 922,835.59, 1,384,468.68 and 315,628.62 is: 473,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,835.59 : 1,384,468.68 = 315,628.62 : x
  2. Step 2: Convert to fraction form
    922,835.59/1,384,468.68 = 315,628.62/x
  3. Step 3: Cross multiply
    922,835.59x = 1,384,468.68 × 315,628.62
  4. Step 4: Simplify right side
    922,835.59x = 436,977,938,901.62
  5. Step 5: Solve for x
    x = 436,977,938,901.62/922,835.59
  6. Step 6: Final answer
    x = 473,516.57

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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.