Home / 899,928-1,241,926.56-497,545.92

Finding the Fourth Proportional to 899,928, 1,241,926.56 and 497,545.92

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Solution

The fourth proportional to 899,928, 1,241,926.56 and 497,545.92 is: 686,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,928 : 1,241,926.56 = 497,545.92 : x
  2. Step 2: Convert to fraction form
    899,928/1,241,926.56 = 497,545.92/x
  3. Step 3: Cross multiply
    899,928x = 1,241,926.56 × 497,545.92
  4. Step 4: Simplify right side
    899,928x = 617,915,492,867.64
  5. Step 5: Solve for x
    x = 617,915,492,867.64/899,928
  6. Step 6: Final answer
    x = 686,627.70

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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.