Home / 872,004.10-1,308,006.15-446,851.30

Finding the Fourth Proportional to 872,004.10, 1,308,006.15 and 446,851.30

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Solution

The fourth proportional to 872,004.10, 1,308,006.15 and 446,851.30 is: 670,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,004.10 : 1,308,006.15 = 446,851.30 : x
  2. Step 2: Convert to fraction form
    872,004.10/1,308,006.15 = 446,851.30/x
  3. Step 3: Cross multiply
    872,004.10x = 1,308,006.15 × 446,851.30
  4. Step 4: Simplify right side
    872,004.10x = 584,484,248,535.50
  5. Step 5: Solve for x
    x = 584,484,248,535.50/872,004.10
  6. Step 6: Final answer
    x = 670,276.95

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Double scale
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Similar ratio
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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.