Home / 464,646.08-641,407.32-313,947.20

Finding the Fourth Proportional to 464,646.08, 641,407.32 and 313,947.20

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Solution

The fourth proportional to 464,646.08, 641,407.32 and 313,947.20 is: 433,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,646.08 : 641,407.32 = 313,947.20 : x
  2. Step 2: Convert to fraction form
    464,646.08/641,407.32 = 313,947.20/x
  3. Step 3: Cross multiply
    464,646.08x = 641,407.32 × 313,947.20
  4. Step 4: Simplify right side
    464,646.08x = 201,368,032,173.50
  5. Step 5: Solve for x
    x = 201,368,032,173.50/464,646.08
  6. Step 6: Final answer
    x = 433,379.38

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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.