Home / 1,007,783.64-1,390,741.14-555,074.64

Finding the Fourth Proportional to 1,007,783.64, 1,390,741.14 and 555,074.64

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Solution

The fourth proportional to 1,007,783.64, 1,390,741.14 and 555,074.64 is: 766,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,783.64 : 1,390,741.14 = 555,074.64 : x
  2. Step 2: Convert to fraction form
    1,007,783.64/1,390,741.14 = 555,074.64/x
  3. Step 3: Cross multiply
    1,007,783.64x = 1,390,741.14 × 555,074.64
  4. Step 4: Simplify right side
    1,007,783.64x = 771,965,137,618.69
  5. Step 5: Solve for x
    x = 771,965,137,618.69/1,007,783.64
  6. Step 6: Final answer
    x = 766,002.85

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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.