Home / 1,253,203.48-1,880,111.40-400,275.30

Finding the Fourth Proportional to 1,253,203.48, 1,880,111.40 and 400,275.30

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Solution

The fourth proportional to 1,253,203.48, 1,880,111.40 and 400,275.30 is: 600,510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,203.48 : 1,880,111.40 = 400,275.30 : x
  2. Step 2: Convert to fraction form
    1,253,203.48/1,880,111.40 = 400,275.30/x
  3. Step 3: Cross multiply
    1,253,203.48x = 1,880,111.40 × 400,275.30
  4. Step 4: Simplify right side
    1,253,203.48x = 752,562,154,668.42
  5. Step 5: Solve for x
    x = 752,562,154,668.42/1,253,203.48
  6. Step 6: Final answer
    x = 600,510.74

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Double scale
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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.