Home / 736,168.66-1,020,011.85-720,225.43

Finding the Fourth Proportional to 736,168.66, 1,020,011.85 and 720,225.43

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Solution

The fourth proportional to 736,168.66, 1,020,011.85 and 720,225.43 is: 997,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,168.66 : 1,020,011.85 = 720,225.43 : x
  2. Step 2: Convert to fraction form
    736,168.66/1,020,011.85 = 720,225.43/x
  3. Step 3: Cross multiply
    736,168.66x = 1,020,011.85 × 720,225.43
  4. Step 4: Simplify right side
    736,168.66x = 734,638,470,721.32
  5. Step 5: Solve for x
    x = 734,638,470,721.32/736,168.66
  6. Step 6: Final answer
    x = 997,921.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.