Home / 979,838.87-1,352,199.06-538,319.14

Finding the Fourth Proportional to 979,838.87, 1,352,199.06 and 538,319.14

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Solution

The fourth proportional to 979,838.87, 1,352,199.06 and 538,319.14 is: 742,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,838.87 : 1,352,199.06 = 538,319.14 : x
  2. Step 2: Convert to fraction form
    979,838.87/1,352,199.06 = 538,319.14/x
  3. Step 3: Cross multiply
    979,838.87x = 1,352,199.06 × 538,319.14
  4. Step 4: Simplify right side
    979,838.87x = 727,914,635,088.01
  5. Step 5: Solve for x
    x = 727,914,635,088.01/979,838.87
  6. Step 6: Final answer
    x = 742,892.18

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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.