Home / 743,133.15-1,025,485.52-403,600.59

Finding the Fourth Proportional to 743,133.15, 1,025,485.52 and 403,600.59

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Solution

The fourth proportional to 743,133.15, 1,025,485.52 and 403,600.59 is: 556,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,133.15 : 1,025,485.52 = 403,600.59 : x
  2. Step 2: Convert to fraction form
    743,133.15/1,025,485.52 = 403,600.59/x
  3. Step 3: Cross multiply
    743,133.15x = 1,025,485.52 × 403,600.59
  4. Step 4: Simplify right side
    743,133.15x = 413,886,558,890.45
  5. Step 5: Solve for x
    x = 413,886,558,890.45/743,133.15
  6. Step 6: Final answer
    x = 556,948.05

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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.