Home / 779,085.16-1,170,682.65-419,521.84

Finding the Fourth Proportional to 779,085.16, 1,170,682.65 and 419,521.84

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Solution

The fourth proportional to 779,085.16, 1,170,682.65 and 419,521.84 is: 630,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,085.16 : 1,170,682.65 = 419,521.84 : x
  2. Step 2: Convert to fraction form
    779,085.16/1,170,682.65 = 419,521.84/x
  3. Step 3: Cross multiply
    779,085.16x = 1,170,682.65 × 419,521.84
  4. Step 4: Simplify right side
    779,085.16x = 491,126,936,457.37
  5. Step 5: Solve for x
    x = 491,126,936,457.37/779,085.16
  6. Step 6: Final answer
    x = 630,389.29

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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.