Home / 738,119.76-1,018,680.48-451,829.04

Finding the Fourth Proportional to 738,119.76, 1,018,680.48 and 451,829.04

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Solution

The fourth proportional to 738,119.76, 1,018,680.48 and 451,829.04 is: 623,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,119.76 : 1,018,680.48 = 451,829.04 : x
  2. Step 2: Convert to fraction form
    738,119.76/1,018,680.48 = 451,829.04/x
  3. Step 3: Cross multiply
    738,119.76x = 1,018,680.48 × 451,829.04
  4. Step 4: Simplify right side
    738,119.76x = 460,269,423,345.14
  5. Step 5: Solve for x
    x = 460,269,423,345.14/738,119.76
  6. Step 6: Final answer
    x = 623,570.11

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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.