Home / 1,152,683.96-1,590,728.88-636,436.13

Finding the Fourth Proportional to 1,152,683.96, 1,590,728.88 and 636,436.13

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Solution

The fourth proportional to 1,152,683.96, 1,590,728.88 and 636,436.13 is: 878,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,683.96 : 1,590,728.88 = 636,436.13 : x
  2. Step 2: Convert to fraction form
    1,152,683.96/1,590,728.88 = 636,436.13/x
  3. Step 3: Cross multiply
    1,152,683.96x = 1,590,728.88 × 636,436.13
  4. Step 4: Simplify right side
    1,152,683.96x = 1,012,397,324,312.79
  5. Step 5: Solve for x
    x = 1,012,397,324,312.79/1,152,683.96
  6. Step 6: Final answer
    x = 878,295.67

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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.