Home / 808,422.03-1,115,430.59-459,535.06

Finding the Fourth Proportional to 808,422.03, 1,115,430.59 and 459,535.06

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Solution

The fourth proportional to 808,422.03, 1,115,430.59 and 459,535.06 is: 634,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,422.03 : 1,115,430.59 = 459,535.06 : x
  2. Step 2: Convert to fraction form
    808,422.03/1,115,430.59 = 459,535.06/x
  3. Step 3: Cross multiply
    808,422.03x = 1,115,430.59 × 459,535.06
  4. Step 4: Simplify right side
    808,422.03x = 512,579,463,101.49
  5. Step 5: Solve for x
    x = 512,579,463,101.49/808,422.03
  6. Step 6: Final answer
    x = 634,049.35

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Double scale
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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.