Home / 833,415.66-1,150,090.08-489,246.10

Finding the Fourth Proportional to 833,415.66, 1,150,090.08 and 489,246.10

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Solution

The fourth proportional to 833,415.66, 1,150,090.08 and 489,246.10 is: 675,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,415.66 : 1,150,090.08 = 489,246.10 : x
  2. Step 2: Convert to fraction form
    833,415.66/1,150,090.08 = 489,246.10/x
  3. Step 3: Cross multiply
    833,415.66x = 1,150,090.08 × 489,246.10
  4. Step 4: Simplify right side
    833,415.66x = 562,677,083,413.46
  5. Step 5: Solve for x
    x = 562,677,083,413.46/833,415.66
  6. Step 6: Final answer
    x = 675,145.80

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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.