Home / 917,160.90-1,376,031.93-715,448.58

Finding the Fourth Proportional to 917,160.90, 1,376,031.93 and 715,448.58

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Solution

The fourth proportional to 917,160.90, 1,376,031.93 and 715,448.58 is: 1,073,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,160.90 : 1,376,031.93 = 715,448.58 : x
  2. Step 2: Convert to fraction form
    917,160.90/1,376,031.93 = 715,448.58/x
  3. Step 3: Cross multiply
    917,160.90x = 1,376,031.93 × 715,448.58
  4. Step 4: Simplify right side
    917,160.90x = 984,480,090,353.16
  5. Step 5: Solve for x
    x = 984,480,090,353.16/917,160.90
  6. Step 6: Final answer
    x = 1,073,399.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.