Home / 863,641.90-1,191,772.06-476,462.31

Finding the Fourth Proportional to 863,641.90, 1,191,772.06 and 476,462.31

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Solution

The fourth proportional to 863,641.90, 1,191,772.06 and 476,462.31 is: 657,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,641.90 : 1,191,772.06 = 476,462.31 : x
  2. Step 2: Convert to fraction form
    863,641.90/1,191,772.06 = 476,462.31/x
  3. Step 3: Cross multiply
    863,641.90x = 1,191,772.06 × 476,462.31
  4. Step 4: Simplify right side
    863,641.90x = 567,834,468,701.06
  5. Step 5: Solve for x
    x = 567,834,468,701.06/863,641.90
  6. Step 6: Final answer
    x = 657,488.33

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Double scale
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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.