Home / 976,362.74-1,464,777.93-407,427.35

Finding the Fourth Proportional to 976,362.74, 1,464,777.93 and 407,427.35

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Solution

The fourth proportional to 976,362.74, 1,464,777.93 and 407,427.35 is: 611,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,362.74 : 1,464,777.93 = 407,427.35 : x
  2. Step 2: Convert to fraction form
    976,362.74/1,464,777.93 = 407,427.35/x
  3. Step 3: Cross multiply
    976,362.74x = 1,464,777.93 × 407,427.35
  4. Step 4: Simplify right side
    976,362.74x = 596,790,590,358.39
  5. Step 5: Solve for x
    x = 596,790,590,358.39/976,362.74
  6. Step 6: Final answer
    x = 611,238.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.