Home / 738,339.18-1,018,912.23-416,054.22

Finding the Fourth Proportional to 738,339.18, 1,018,912.23 and 416,054.22

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Solution

The fourth proportional to 738,339.18, 1,018,912.23 and 416,054.22 is: 574,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,339.18 : 1,018,912.23 = 416,054.22 : x
  2. Step 2: Convert to fraction form
    738,339.18/1,018,912.23 = 416,054.22/x
  3. Step 3: Cross multiply
    738,339.18x = 1,018,912.23 × 416,054.22
  4. Step 4: Simplify right side
    738,339.18x = 423,922,733,101.11
  5. Step 5: Solve for x
    x = 423,922,733,101.11/738,339.18
  6. Step 6: Final answer
    x = 574,157.17

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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.