Home / 1,781,385.41-2,672,055.54-433,550.98

Finding the Fourth Proportional to 1,781,385.41, 2,672,055.54 and 433,550.98

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Solution

The fourth proportional to 1,781,385.41, 2,672,055.54 and 433,550.98 is: 650,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,385.41 : 2,672,055.54 = 433,550.98 : x
  2. Step 2: Convert to fraction form
    1,781,385.41/2,672,055.54 = 433,550.98/x
  3. Step 3: Cross multiply
    1,781,385.41x = 2,672,055.54 × 433,550.98
  4. Step 4: Simplify right side
    1,781,385.41x = 1,158,472,301,321.50
  5. Step 5: Solve for x
    x = 1,158,472,301,321.50/1,781,385.41
  6. Step 6: Final answer
    x = 650,320.98

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Double scale
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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.