Home / 1,048,308.16-1,443,095.15-775,862.64

Finding the Fourth Proportional to 1,048,308.16, 1,443,095.15 and 775,862.64

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Solution

The fourth proportional to 1,048,308.16, 1,443,095.15 and 775,862.64 is: 1,068,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,308.16 : 1,443,095.15 = 775,862.64 : x
  2. Step 2: Convert to fraction form
    1,048,308.16/1,443,095.15 = 775,862.64/x
  3. Step 3: Cross multiply
    1,048,308.16x = 1,443,095.15 × 775,862.64
  4. Step 4: Simplify right side
    1,048,308.16x = 1,119,643,612,850.20
  5. Step 5: Solve for x
    x = 1,119,643,612,850.20/1,048,308.16
  6. Step 6: Final answer
    x = 1,068,048.17

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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.