Home / 917,190.54-1,369,609.63-749,044.67

Finding the Fourth Proportional to 917,190.54, 1,369,609.63 and 749,044.67

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Solution

The fourth proportional to 917,190.54, 1,369,609.63 and 749,044.67 is: 1,118,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,190.54 : 1,369,609.63 = 749,044.67 : x
  2. Step 2: Convert to fraction form
    917,190.54/1,369,609.63 = 749,044.67/x
  3. Step 3: Cross multiply
    917,190.54x = 1,369,609.63 × 749,044.67
  4. Step 4: Simplify right side
    917,190.54x = 1,025,898,784,611.51
  5. Step 5: Solve for x
    x = 1,025,898,784,611.51/917,190.54
  6. Step 6: Final answer
    x = 1,118,523.08

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.