Home / 1,261,852.92-1,891,204.20-630,947.16

Finding the Fourth Proportional to 1,261,852.92, 1,891,204.20 and 630,947.16

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Solution

The fourth proportional to 1,261,852.92, 1,891,204.20 and 630,947.16 is: 945,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,852.92 : 1,891,204.20 = 630,947.16 : x
  2. Step 2: Convert to fraction form
    1,261,852.92/1,891,204.20 = 630,947.16/x
  3. Step 3: Cross multiply
    1,261,852.92x = 1,891,204.20 × 630,947.16
  4. Step 4: Simplify right side
    1,261,852.92x = 1,193,249,918,970.07
  5. Step 5: Solve for x
    x = 1,193,249,918,970.07/1,261,852.92
  6. Step 6: Final answer
    x = 945,633.12

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.