Home / 1,277,354.48-1,913,862.75-770,851.14

Finding the Fourth Proportional to 1,277,354.48, 1,913,862.75 and 770,851.14

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Solution

The fourth proportional to 1,277,354.48, 1,913,862.75 and 770,851.14 is: 1,154,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,354.48 : 1,913,862.75 = 770,851.14 : x
  2. Step 2: Convert to fraction form
    1,277,354.48/1,913,862.75 = 770,851.14/x
  3. Step 3: Cross multiply
    1,277,354.48x = 1,913,862.75 × 770,851.14
  4. Step 4: Simplify right side
    1,277,354.48x = 1,475,303,282,641.04
  5. Step 5: Solve for x
    x = 1,475,303,282,641.04/1,277,354.48
  6. Step 6: Final answer
    x = 1,154,967.80

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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.