Home / 897,572.53-1,238,527.42-515,599.21

Finding the Fourth Proportional to 897,572.53, 1,238,527.42 and 515,599.21

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Solution

The fourth proportional to 897,572.53, 1,238,527.42 and 515,599.21 is: 711,456.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,572.53 : 1,238,527.42 = 515,599.21 : x
  2. Step 2: Convert to fraction form
    897,572.53/1,238,527.42 = 515,599.21/x
  3. Step 3: Cross multiply
    897,572.53x = 1,238,527.42 × 515,599.21
  4. Step 4: Simplify right side
    897,572.53x = 638,583,759,315.34
  5. Step 5: Solve for x
    x = 638,583,759,315.34/897,572.53
  6. Step 6: Final answer
    x = 711,456.44

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Double scale
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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.