Home / 738,070.83-1,018,541.34-415,786.01

Finding the Fourth Proportional to 738,070.83, 1,018,541.34 and 415,786.01

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Solution

The fourth proportional to 738,070.83, 1,018,541.34 and 415,786.01 is: 573,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,070.83 : 1,018,541.34 = 415,786.01 : x
  2. Step 2: Convert to fraction form
    738,070.83/1,018,541.34 = 415,786.01/x
  3. Step 3: Cross multiply
    738,070.83x = 1,018,541.34 × 415,786.01
  4. Step 4: Simplify right side
    738,070.83x = 423,495,234,685.95
  5. Step 5: Solve for x
    x = 423,495,234,685.95/738,070.83
  6. Step 6: Final answer
    x = 573,786.71

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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.