Home / 1,237,555.95-1,856,335.37-339,005.40

Finding the Fourth Proportional to 1,237,555.95, 1,856,335.37 and 339,005.40

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Solution

The fourth proportional to 1,237,555.95, 1,856,335.37 and 339,005.40 is: 508,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,555.95 : 1,856,335.37 = 339,005.40 : x
  2. Step 2: Convert to fraction form
    1,237,555.95/1,856,335.37 = 339,005.40/x
  3. Step 3: Cross multiply
    1,237,555.95x = 1,856,335.37 × 339,005.40
  4. Step 4: Simplify right side
    1,237,555.95x = 629,307,714,641.00
  5. Step 5: Solve for x
    x = 629,307,714,641.00/1,237,555.95
  6. Step 6: Final answer
    x = 508,508.50

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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.