Home / 833,427.86-1,150,106.81-489,258.29

Finding the Fourth Proportional to 833,427.86, 1,150,106.81 and 489,258.29

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Solution

The fourth proportional to 833,427.86, 1,150,106.81 and 489,258.29 is: 675,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,427.86 : 1,150,106.81 = 489,258.29 : x
  2. Step 2: Convert to fraction form
    833,427.86/1,150,106.81 = 489,258.29/x
  3. Step 3: Cross multiply
    833,427.86x = 1,150,106.81 × 489,258.29
  4. Step 4: Simplify right side
    833,427.86x = 562,699,282,981.13
  5. Step 5: Solve for x
    x = 562,699,282,981.13/833,427.86
  6. Step 6: Final answer
    x = 675,162.56

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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.