Home / 863,470.10-1,191,607.80-476,297.28

Finding the Fourth Proportional to 863,470.10, 1,191,607.80 and 476,297.28

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Solution

The fourth proportional to 863,470.10, 1,191,607.80 and 476,297.28 is: 657,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,470.10 : 1,191,607.80 = 476,297.28 : x
  2. Step 2: Convert to fraction form
    863,470.10/1,191,607.80 = 476,297.28/x
  3. Step 3: Cross multiply
    863,470.10x = 1,191,607.80 × 476,297.28
  4. Step 4: Simplify right side
    863,470.10x = 567,559,553,966.78
  5. Step 5: Solve for x
    x = 567,559,553,966.78/863,470.10
  6. Step 6: Final answer
    x = 657,300.76

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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.