Home / 912,542.40-1,259,316.48-504,623.04

Finding the Fourth Proportional to 912,542.40, 1,259,316.48 and 504,623.04

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Solution

The fourth proportional to 912,542.40, 1,259,316.48 and 504,623.04 is: 696,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,542.40 : 1,259,316.48 = 504,623.04 : x
  2. Step 2: Convert to fraction form
    912,542.40/1,259,316.48 = 504,623.04/x
  3. Step 3: Cross multiply
    912,542.40x = 1,259,316.48 × 504,623.04
  4. Step 4: Simplify right side
    912,542.40x = 635,480,110,459.70
  5. Step 5: Solve for x
    x = 635,480,110,459.70/912,542.40
  6. Step 6: Final answer
    x = 696,384.20

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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.