Home / 897,544.34-1,238,488.66-515,571.12

Finding the Fourth Proportional to 897,544.34, 1,238,488.66 and 515,571.12

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Solution

The fourth proportional to 897,544.34, 1,238,488.66 and 515,571.12 is: 711,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,544.34 : 1,238,488.66 = 515,571.12 : x
  2. Step 2: Convert to fraction form
    897,544.34/1,238,488.66 = 515,571.12/x
  3. Step 3: Cross multiply
    897,544.34x = 1,238,488.66 × 515,571.12
  4. Step 4: Simplify right side
    897,544.34x = 638,528,984,254.57
  5. Step 5: Solve for x
    x = 638,528,984,254.57/897,544.34
  6. Step 6: Final answer
    x = 711,417.76

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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.