Home / 676,282.79-933,110.07-400,501.37

Finding the Fourth Proportional to 676,282.79, 933,110.07 and 400,501.37

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Solution

The fourth proportional to 676,282.79, 933,110.07 and 400,501.37 is: 552,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,282.79 : 933,110.07 = 400,501.37 : x
  2. Step 2: Convert to fraction form
    676,282.79/933,110.07 = 400,501.37/x
  3. Step 3: Cross multiply
    676,282.79x = 933,110.07 × 400,501.37
  4. Step 4: Simplify right side
    676,282.79x = 373,711,861,395.80
  5. Step 5: Solve for x
    x = 373,711,861,395.80/676,282.79
  6. Step 6: Final answer
    x = 552,597.03

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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.