Home / 1,049,792.90-1,574,689.35-419,159.30

Finding the Fourth Proportional to 1,049,792.90, 1,574,689.35 and 419,159.30

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Solution

The fourth proportional to 1,049,792.90, 1,574,689.35 and 419,159.30 is: 628,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,792.90 : 1,574,689.35 = 419,159.30 : x
  2. Step 2: Convert to fraction form
    1,049,792.90/1,574,689.35 = 419,159.30/x
  3. Step 3: Cross multiply
    1,049,792.90x = 1,574,689.35 × 419,159.30
  4. Step 4: Simplify right side
    1,049,792.90x = 660,045,685,663.46
  5. Step 5: Solve for x
    x = 660,045,685,663.46/1,049,792.90
  6. Step 6: Final answer
    x = 628,738.95

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Double scale
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Similar ratio
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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.