Home / 559,931.75-772,615.96-314,915.79

Finding the Fourth Proportional to 559,931.75, 772,615.96 and 314,915.79

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Solution

The fourth proportional to 559,931.75, 772,615.96 and 314,915.79 is: 434,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,931.75 : 772,615.96 = 314,915.79 : x
  2. Step 2: Convert to fraction form
    559,931.75/772,615.96 = 314,915.79/x
  3. Step 3: Cross multiply
    559,931.75x = 772,615.96 × 314,915.79
  4. Step 4: Simplify right side
    559,931.75x = 243,308,964,622.72
  5. Step 5: Solve for x
    x = 243,308,964,622.72/559,931.75
  6. Step 6: Final answer
    x = 434,533.26

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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.