Home / 964,168.35-1,330,523.51-528,570.80

Finding the Fourth Proportional to 964,168.35, 1,330,523.51 and 528,570.80

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Solution

The fourth proportional to 964,168.35, 1,330,523.51 and 528,570.80 is: 729,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,168.35 : 1,330,523.51 = 528,570.80 : x
  2. Step 2: Convert to fraction form
    964,168.35/1,330,523.51 = 528,570.80/x
  3. Step 3: Cross multiply
    964,168.35x = 1,330,523.51 × 528,570.80
  4. Step 4: Simplify right side
    964,168.35x = 703,275,875,798.35
  5. Step 5: Solve for x
    x = 703,275,875,798.35/964,168.35
  6. Step 6: Final answer
    x = 729,411.91

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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.