Home / 699,742.40-1,048,058.40-606,430.40

Finding the Fourth Proportional to 699,742.40, 1,048,058.40 and 606,430.40

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Solution

The fourth proportional to 699,742.40, 1,048,058.40 and 606,430.40 is: 908,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,742.40 : 1,048,058.40 = 606,430.40 : x
  2. Step 2: Convert to fraction form
    699,742.40/1,048,058.40 = 606,430.40/x
  3. Step 3: Cross multiply
    699,742.40x = 1,048,058.40 × 606,430.40
  4. Step 4: Simplify right side
    699,742.40x = 635,574,474,735.36
  5. Step 5: Solve for x
    x = 635,574,474,735.36/699,742.40
  6. Step 6: Final answer
    x = 908,297.79

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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.