Home / 927,696.80-1,390,508.40-528,528.80

Finding the Fourth Proportional to 927,696.80, 1,390,508.40 and 528,528.80

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Solution

The fourth proportional to 927,696.80, 1,390,508.40 and 528,528.80 is: 792,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,696.80 : 1,390,508.40 = 528,528.80 : x
  2. Step 2: Convert to fraction form
    927,696.80/1,390,508.40 = 528,528.80/x
  3. Step 3: Cross multiply
    927,696.80x = 1,390,508.40 × 528,528.80
  4. Step 4: Simplify right side
    927,696.80x = 734,923,736,041.92
  5. Step 5: Solve for x
    x = 734,923,736,041.92/927,696.80
  6. Step 6: Final answer
    x = 792,202.51

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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.