Home / 740,882.32-1,022,417.71-401,350.57

Finding the Fourth Proportional to 740,882.32, 1,022,417.71 and 401,350.57

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Solution

The fourth proportional to 740,882.32, 1,022,417.71 and 401,350.57 is: 553,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,882.32 : 1,022,417.71 = 401,350.57 : x
  2. Step 2: Convert to fraction form
    740,882.32/1,022,417.71 = 401,350.57/x
  3. Step 3: Cross multiply
    740,882.32x = 1,022,417.71 × 401,350.57
  4. Step 4: Simplify right side
    740,882.32x = 410,347,927,127.17
  5. Step 5: Solve for x
    x = 410,347,927,127.17/740,882.32
  6. Step 6: Final answer
    x = 553,863.84

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1.5x scale

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.