Home / 738,752.78-1,019,417.73-416,542.07

Finding the Fourth Proportional to 738,752.78, 1,019,417.73 and 416,542.07

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Solution

The fourth proportional to 738,752.78, 1,019,417.73 and 416,542.07 is: 574,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,752.78 : 1,019,417.73 = 416,542.07 : x
  2. Step 2: Convert to fraction form
    738,752.78/1,019,417.73 = 416,542.07/x
  3. Step 3: Cross multiply
    738,752.78x = 1,019,417.73 × 416,542.07
  4. Step 4: Simplify right side
    738,752.78x = 424,630,371,448.90
  5. Step 5: Solve for x
    x = 424,630,371,448.90/738,752.78
  6. Step 6: Final answer
    x = 574,793.60

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1.5x scale

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.