Home / 897,536.03-1,238,508.83-553,316.81

Finding the Fourth Proportional to 897,536.03, 1,238,508.83 and 553,316.81

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Solution

The fourth proportional to 897,536.03, 1,238,508.83 and 553,316.81 is: 763,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,536.03 : 1,238,508.83 = 553,316.81 : x
  2. Step 2: Convert to fraction form
    897,536.03/1,238,508.83 = 553,316.81/x
  3. Step 3: Cross multiply
    897,536.03x = 1,238,508.83 × 553,316.81
  4. Step 4: Simplify right side
    897,536.03x = 685,287,750,163.18
  5. Step 5: Solve for x
    x = 685,287,750,163.18/897,536.03
  6. Step 6: Final answer
    x = 763,521.16

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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.