Home / 975,428.48-1,346,081.39-539,846.67

Finding the Fourth Proportional to 975,428.48, 1,346,081.39 and 539,846.67

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Solution

The fourth proportional to 975,428.48, 1,346,081.39 and 539,846.67 is: 744,982.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,428.48 : 1,346,081.39 = 539,846.67 : x
  2. Step 2: Convert to fraction form
    975,428.48/1,346,081.39 = 539,846.67/x
  3. Step 3: Cross multiply
    975,428.48x = 1,346,081.39 × 539,846.67
  4. Step 4: Simplify right side
    975,428.48x = 726,677,561,733.18
  5. Step 5: Solve for x
    x = 726,677,561,733.18/975,428.48
  6. Step 6: Final answer
    x = 744,982.92

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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.