Home / 864,333.10-1,192,748.38-477,140.22

Finding the Fourth Proportional to 864,333.10, 1,192,748.38 and 477,140.22

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Solution

The fourth proportional to 864,333.10, 1,192,748.38 and 477,140.22 is: 658,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,333.10 : 1,192,748.38 = 477,140.22 : x
  2. Step 2: Convert to fraction form
    864,333.10/1,192,748.38 = 477,140.22/x
  3. Step 3: Cross multiply
    864,333.10x = 1,192,748.38 × 477,140.22
  4. Step 4: Simplify right side
    864,333.10x = 569,108,224,437.84
  5. Step 5: Solve for x
    x = 569,108,224,437.84/864,333.10
  6. Step 6: Final answer
    x = 658,436.23

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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.