Home / 897,153.50-1,238,071.04-489,256.13

Finding the Fourth Proportional to 897,153.50, 1,238,071.04 and 489,256.13

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Solution

The fourth proportional to 897,153.50, 1,238,071.04 and 489,256.13 is: 675,173.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,153.50 : 1,238,071.04 = 489,256.13 : x
  2. Step 2: Convert to fraction form
    897,153.50/1,238,071.04 = 489,256.13/x
  3. Step 3: Cross multiply
    897,153.50x = 1,238,071.04 × 489,256.13
  4. Step 4: Simplify right side
    897,153.50x = 605,733,837,058.84
  5. Step 5: Solve for x
    x = 605,733,837,058.84/897,153.50
  6. Step 6: Final answer
    x = 675,173.02

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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.