Home / 676,738.42-933,899.25-370,812.32

Finding the Fourth Proportional to 676,738.42, 933,899.25 and 370,812.32

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Solution

The fourth proportional to 676,738.42, 933,899.25 and 370,812.32 is: 511,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,738.42 : 933,899.25 = 370,812.32 : x
  2. Step 2: Convert to fraction form
    676,738.42/933,899.25 = 370,812.32/x
  3. Step 3: Cross multiply
    676,738.42x = 933,899.25 × 370,812.32
  4. Step 4: Simplify right side
    676,738.42x = 346,301,347,538.76
  5. Step 5: Solve for x
    x = 346,301,347,538.76/676,738.42
  6. Step 6: Final answer
    x = 511,721.13

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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.