Home / 816,597.87-1,126,904.04-454,010.28

Finding the Fourth Proportional to 816,597.87, 1,126,904.04 and 454,010.28

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Solution

The fourth proportional to 816,597.87, 1,126,904.04 and 454,010.28 is: 626,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,597.87 : 1,126,904.04 = 454,010.28 : x
  2. Step 2: Convert to fraction form
    816,597.87/1,126,904.04 = 454,010.28/x
  3. Step 3: Cross multiply
    816,597.87x = 1,126,904.04 × 454,010.28
  4. Step 4: Simplify right side
    816,597.87x = 511,626,018,733.53
  5. Step 5: Solve for x
    x = 511,626,018,733.53/816,597.87
  6. Step 6: Final answer
    x = 626,533.62

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Double scale
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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.