Home / 1,012,026.10-1,397,240.13-630,613.30

Finding the Fourth Proportional to 1,012,026.10, 1,397,240.13 and 630,613.30

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Solution

The fourth proportional to 1,012,026.10, 1,397,240.13 and 630,613.30 is: 870,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,026.10 : 1,397,240.13 = 630,613.30 : x
  2. Step 2: Convert to fraction form
    1,012,026.10/1,397,240.13 = 630,613.30/x
  3. Step 3: Cross multiply
    1,012,026.10x = 1,397,240.13 × 630,613.30
  4. Step 4: Simplify right side
    1,012,026.10x = 881,118,209,271.73
  5. Step 5: Solve for x
    x = 881,118,209,271.73/1,012,026.10
  6. Step 6: Final answer
    x = 870,647.71

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Double scale
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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.