Home / 749,941.79-1,034,918.99-423,323.56

Finding the Fourth Proportional to 749,941.79, 1,034,918.99 and 423,323.56

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Solution

The fourth proportional to 749,941.79, 1,034,918.99 and 423,323.56 is: 584,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,941.79 : 1,034,918.99 = 423,323.56 : x
  2. Step 2: Convert to fraction form
    749,941.79/1,034,918.99 = 423,323.56/x
  3. Step 3: Cross multiply
    749,941.79x = 1,034,918.99 × 423,323.56
  4. Step 4: Simplify right side
    749,941.79x = 438,105,591,158.40
  5. Step 5: Solve for x
    x = 438,105,591,158.40/749,941.79
  6. Step 6: Final answer
    x = 584,186.13

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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.