Home / 757,660.15-1,045,749.72-435,556.90

Finding the Fourth Proportional to 757,660.15, 1,045,749.72 and 435,556.90

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Solution

The fourth proportional to 757,660.15, 1,045,749.72 and 435,556.90 is: 601,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,660.15 : 1,045,749.72 = 435,556.90 : x
  2. Step 2: Convert to fraction form
    757,660.15/1,045,749.72 = 435,556.90/x
  3. Step 3: Cross multiply
    757,660.15x = 1,045,749.72 × 435,556.90
  4. Step 4: Simplify right side
    757,660.15x = 455,483,506,219.07
  5. Step 5: Solve for x
    x = 455,483,506,219.07/757,660.15
  6. Step 6: Final answer
    x = 601,171.26

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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.