Home / 897,193.48-1,238,111.40-489,298.48

Finding the Fourth Proportional to 897,193.48, 1,238,111.40 and 489,298.48

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Solution

The fourth proportional to 897,193.48, 1,238,111.40 and 489,298.48 is: 675,223.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,193.48 : 1,238,111.40 = 489,298.48 : x
  2. Step 2: Convert to fraction form
    897,193.48/1,238,111.40 = 489,298.48/x
  3. Step 3: Cross multiply
    897,193.48x = 1,238,111.40 × 489,298.48
  4. Step 4: Simplify right side
    897,193.48x = 605,806,026,090.67
  5. Step 5: Solve for x
    x = 605,806,026,090.67/897,193.48
  6. Step 6: Final answer
    x = 675,223.39

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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.