Home / 972,319.43-1,458,479.15-262,347.47

Finding the Fourth Proportional to 972,319.43, 1,458,479.15 and 262,347.47

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Solution

The fourth proportional to 972,319.43, 1,458,479.15 and 262,347.47 is: 393,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,319.43 : 1,458,479.15 = 262,347.47 : x
  2. Step 2: Convert to fraction form
    972,319.43/1,458,479.15 = 262,347.47/x
  3. Step 3: Cross multiply
    972,319.43x = 1,458,479.15 × 262,347.47
  4. Step 4: Simplify right side
    972,319.43x = 382,628,314,066.45
  5. Step 5: Solve for x
    x = 382,628,314,066.45/972,319.43
  6. Step 6: Final answer
    x = 393,521.20

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Double scale
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Similar ratio
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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.