Home / 738,848.16-1,019,137.68-512,411.04

Finding the Fourth Proportional to 738,848.16, 1,019,137.68 and 512,411.04

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Solution

The fourth proportional to 738,848.16, 1,019,137.68 and 512,411.04 is: 706,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,848.16 : 1,019,137.68 = 512,411.04 : x
  2. Step 2: Convert to fraction form
    738,848.16/1,019,137.68 = 512,411.04/x
  3. Step 3: Cross multiply
    738,848.16x = 1,019,137.68 × 512,411.04
  4. Step 4: Simplify right side
    738,848.16x = 522,217,398,511.99
  5. Step 5: Solve for x
    x = 522,217,398,511.99/738,848.16
  6. Step 6: Final answer
    x = 706,799.35

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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.