Home / 899,454.08-1,239,138.96-627,026.96

Finding the Fourth Proportional to 899,454.08, 1,239,138.96 and 627,026.96

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Solution

The fourth proportional to 899,454.08, 1,239,138.96 and 627,026.96 is: 863,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,454.08 : 1,239,138.96 = 627,026.96 : x
  2. Step 2: Convert to fraction form
    899,454.08/1,239,138.96 = 627,026.96/x
  3. Step 3: Cross multiply
    899,454.08x = 1,239,138.96 × 627,026.96
  4. Step 4: Simplify right side
    899,454.08x = 776,973,535,106.36
  5. Step 5: Solve for x
    x = 776,973,535,106.36/899,454.08
  6. Step 6: Final answer
    x = 863,827.91

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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.