Home / 452,038.30-623,840.86-298,810.70

Finding the Fourth Proportional to 452,038.30, 623,840.86 and 298,810.70

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Solution

The fourth proportional to 452,038.30, 623,840.86 and 298,810.70 is: 412,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,038.30 : 623,840.86 = 298,810.70 : x
  2. Step 2: Convert to fraction form
    452,038.30/623,840.86 = 298,810.70/x
  3. Step 3: Cross multiply
    452,038.30x = 623,840.86 × 298,810.70
  4. Step 4: Simplify right side
    452,038.30x = 186,410,324,065.20
  5. Step 5: Solve for x
    x = 186,410,324,065.20/452,038.30
  6. Step 6: Final answer
    x = 412,377.28

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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.