Home / 929,565.15-1,283,969.18-766,811.45

Finding the Fourth Proportional to 929,565.15, 1,283,969.18 and 766,811.45

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Solution

The fourth proportional to 929,565.15, 1,283,969.18 and 766,811.45 is: 1,059,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,565.15 : 1,283,969.18 = 766,811.45 : x
  2. Step 2: Convert to fraction form
    929,565.15/1,283,969.18 = 766,811.45/x
  3. Step 3: Cross multiply
    929,565.15x = 1,283,969.18 × 766,811.45
  4. Step 4: Simplify right side
    929,565.15x = 984,562,258,417.21
  5. Step 5: Solve for x
    x = 984,562,258,417.21/929,565.15
  6. Step 6: Final answer
    x = 1,059,164.34

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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.