Home / 943,621.20-1,302,111.56-561,586.32

Finding the Fourth Proportional to 943,621.20, 1,302,111.56 and 561,586.32

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Solution

The fourth proportional to 943,621.20, 1,302,111.56 and 561,586.32 is: 774,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,621.20 : 1,302,111.56 = 561,586.32 : x
  2. Step 2: Convert to fraction form
    943,621.20/1,302,111.56 = 561,586.32/x
  3. Step 3: Cross multiply
    943,621.20x = 1,302,111.56 × 561,586.32
  4. Step 4: Simplify right side
    943,621.20x = 731,248,039,209.86
  5. Step 5: Solve for x
    x = 731,248,039,209.86/943,621.20
  6. Step 6: Final answer
    x = 774,938.12

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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.