Home / 943,975.20-1,302,680.67-514,254.30

Finding the Fourth Proportional to 943,975.20, 1,302,680.67 and 514,254.30

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Solution

The fourth proportional to 943,975.20, 1,302,680.67 and 514,254.30 is: 709,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,975.20 : 1,302,680.67 = 514,254.30 : x
  2. Step 2: Convert to fraction form
    943,975.20/1,302,680.67 = 514,254.30/x
  3. Step 3: Cross multiply
    943,975.20x = 1,302,680.67 × 514,254.30
  4. Step 4: Simplify right side
    943,975.20x = 669,909,136,074.38
  5. Step 5: Solve for x
    x = 669,909,136,074.38/943,975.20
  6. Step 6: Final answer
    x = 709,668.15

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Double scale
Find fourth proportional to 943,976.20, 1,302,682.05 and 514,255.30
Similar ratio
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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.