Home / 741,417.36-1,023,200.08-419,157.45

Finding the Fourth Proportional to 741,417.36, 1,023,200.08 and 419,157.45

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Solution

The fourth proportional to 741,417.36, 1,023,200.08 and 419,157.45 is: 578,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,417.36 : 1,023,200.08 = 419,157.45 : x
  2. Step 2: Convert to fraction form
    741,417.36/1,023,200.08 = 419,157.45/x
  3. Step 3: Cross multiply
    741,417.36x = 1,023,200.08 × 419,157.45
  4. Step 4: Simplify right side
    741,417.36x = 428,881,931,256.60
  5. Step 5: Solve for x
    x = 428,881,931,256.60/741,417.36
  6. Step 6: Final answer
    x = 578,462.22

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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.