Home / 826,475.16-1,140,448.08-463,938.96

Finding the Fourth Proportional to 826,475.16, 1,140,448.08 and 463,938.96

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Solution

The fourth proportional to 826,475.16, 1,140,448.08 and 463,938.96 is: 640,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,475.16 : 1,140,448.08 = 463,938.96 : x
  2. Step 2: Convert to fraction form
    826,475.16/1,140,448.08 = 463,938.96/x
  3. Step 3: Cross multiply
    826,475.16x = 1,140,448.08 × 463,938.96
  4. Step 4: Simplify right side
    826,475.16x = 529,098,296,169.20
  5. Step 5: Solve for x
    x = 529,098,296,169.20/826,475.16
  6. Step 6: Final answer
    x = 640,186.57

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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.