Home / 1,066,509.50-1,600,354.71-638,994.74

Finding the Fourth Proportional to 1,066,509.50, 1,600,354.71 and 638,994.74

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Solution

The fourth proportional to 1,066,509.50, 1,600,354.71 and 638,994.74 is: 958,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,509.50 : 1,600,354.71 = 638,994.74 : x
  2. Step 2: Convert to fraction form
    1,066,509.50/1,600,354.71 = 638,994.74/x
  3. Step 3: Cross multiply
    1,066,509.50x = 1,600,354.71 × 638,994.74
  4. Step 4: Simplify right side
    1,066,509.50x = 1,022,618,241,824.23
  5. Step 5: Solve for x
    x = 1,022,618,241,824.23/1,066,509.50
  6. Step 6: Final answer
    x = 958,845.88

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1.5x scale

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.