Home / 1,191,821.02-1,644,678.40-675,622.80

Finding the Fourth Proportional to 1,191,821.02, 1,644,678.40 and 675,622.80

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Solution

The fourth proportional to 1,191,821.02, 1,644,678.40 and 675,622.80 is: 932,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,821.02 : 1,644,678.40 = 675,622.80 : x
  2. Step 2: Convert to fraction form
    1,191,821.02/1,644,678.40 = 675,622.80/x
  3. Step 3: Cross multiply
    1,191,821.02x = 1,644,678.40 × 675,622.80
  4. Step 4: Simplify right side
    1,191,821.02x = 1,111,182,225,707.52
  5. Step 5: Solve for x
    x = 1,111,182,225,707.52/1,191,821.02
  6. Step 6: Final answer
    x = 932,339.85

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Double scale
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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.