Home / 718,980.03-1,074,258.36-693,835.74

Finding the Fourth Proportional to 718,980.03, 1,074,258.36 and 693,835.74

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Solution

The fourth proportional to 718,980.03, 1,074,258.36 and 693,835.74 is: 1,036,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,980.03 : 1,074,258.36 = 693,835.74 : x
  2. Step 2: Convert to fraction form
    718,980.03/1,074,258.36 = 693,835.74/x
  3. Step 3: Cross multiply
    718,980.03x = 1,074,258.36 × 693,835.74
  4. Step 4: Simplify right side
    718,980.03x = 745,358,844,161.79
  5. Step 5: Solve for x
    x = 745,358,844,161.79/718,980.03
  6. Step 6: Final answer
    x = 1,036,689.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.