Home / 907,108.56-1,360,900.10-338,494.64

Finding the Fourth Proportional to 907,108.56, 1,360,900.10 and 338,494.64

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Solution

The fourth proportional to 907,108.56, 1,360,900.10 and 338,494.64 is: 507,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,108.56 : 1,360,900.10 = 338,494.64 : x
  2. Step 2: Convert to fraction form
    907,108.56/1,360,900.10 = 338,494.64/x
  3. Step 3: Cross multiply
    907,108.56x = 1,360,900.10 × 338,494.64
  4. Step 4: Simplify right side
    907,108.56x = 460,657,383,467.20
  5. Step 5: Solve for x
    x = 460,657,383,467.20/907,108.56
  6. Step 6: Final answer
    x = 507,830.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.