Home / 1,132,431-1,562,765.86-623,144.36

Finding the Fourth Proportional to 1,132,431, 1,562,765.86 and 623,144.36

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Solution

The fourth proportional to 1,132,431, 1,562,765.86 and 623,144.36 is: 859,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,431 : 1,562,765.86 = 623,144.36 : x
  2. Step 2: Convert to fraction form
    1,132,431/1,562,765.86 = 623,144.36/x
  3. Step 3: Cross multiply
    1,132,431x = 1,562,765.86 × 623,144.36
  4. Step 4: Simplify right side
    1,132,431x = 973,828,731,659.55
  5. Step 5: Solve for x
    x = 973,828,731,659.55/1,132,431
  6. Step 6: Final answer
    x = 859,945.31

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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.