Home / 776,047.53-1,070,944.74-436,515.78

Finding the Fourth Proportional to 776,047.53, 1,070,944.74 and 436,515.78

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Solution

The fourth proportional to 776,047.53, 1,070,944.74 and 436,515.78 is: 602,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,047.53 : 1,070,944.74 = 436,515.78 : x
  2. Step 2: Convert to fraction form
    776,047.53/1,070,944.74 = 436,515.78/x
  3. Step 3: Cross multiply
    776,047.53x = 1,070,944.74 × 436,515.78
  4. Step 4: Simplify right side
    776,047.53x = 467,484,282,534.04
  5. Step 5: Solve for x
    x = 467,484,282,534.04/776,047.53
  6. Step 6: Final answer
    x = 602,391.30

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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.