Home / 826,372.24-1,140,416.40-463,818.64

Finding the Fourth Proportional to 826,372.24, 1,140,416.40 and 463,818.64

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Solution

The fourth proportional to 826,372.24, 1,140,416.40 and 463,818.64 is: 640,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,372.24 : 1,140,416.40 = 463,818.64 : x
  2. Step 2: Convert to fraction form
    826,372.24/1,140,416.40 = 463,818.64/x
  3. Step 3: Cross multiply
    826,372.24x = 1,140,416.40 × 463,818.64
  4. Step 4: Simplify right side
    826,372.24x = 528,946,383,681.70
  5. Step 5: Solve for x
    x = 528,946,383,681.70/826,372.24
  6. Step 6: Final answer
    x = 640,082.47

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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.