Home / 456,864.75-630,759.29-293,587.47

Finding the Fourth Proportional to 456,864.75, 630,759.29 and 293,587.47

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Solution

The fourth proportional to 456,864.75, 630,759.29 and 293,587.47 is: 405,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,864.75 : 630,759.29 = 293,587.47 : x
  2. Step 2: Convert to fraction form
    456,864.75/630,759.29 = 293,587.47/x
  3. Step 3: Cross multiply
    456,864.75x = 630,759.29 × 293,587.47
  4. Step 4: Simplify right side
    456,864.75x = 185,183,024,130.10
  5. Step 5: Solve for x
    x = 185,183,024,130.10/456,864.75
  6. Step 6: Final answer
    x = 405,334.45

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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.