Home / 964,783.32-1,331,480.76-535,202.20

Finding the Fourth Proportional to 964,783.32, 1,331,480.76 and 535,202.20

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Solution

The fourth proportional to 964,783.32, 1,331,480.76 and 535,202.20 is: 738,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,783.32 : 1,331,480.76 = 535,202.20 : x
  2. Step 2: Convert to fraction form
    964,783.32/1,331,480.76 = 535,202.20/x
  3. Step 3: Cross multiply
    964,783.32x = 1,331,480.76 × 535,202.20
  4. Step 4: Simplify right side
    964,783.32x = 712,611,432,009.67
  5. Step 5: Solve for x
    x = 712,611,432,009.67/964,783.32
  6. Step 6: Final answer
    x = 738,623.29

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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.