Home / 916,543.20-1,374,262.52-411,012.75

Finding the Fourth Proportional to 916,543.20, 1,374,262.52 and 411,012.75

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Solution

The fourth proportional to 916,543.20, 1,374,262.52 and 411,012.75 is: 616,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,543.20 : 1,374,262.52 = 411,012.75 : x
  2. Step 2: Convert to fraction form
    916,543.20/1,374,262.52 = 411,012.75/x
  3. Step 3: Cross multiply
    916,543.20x = 1,374,262.52 × 411,012.75
  4. Step 4: Simplify right side
    916,543.20x = 564,839,415,512.07
  5. Step 5: Solve for x
    x = 564,839,415,512.07/916,543.20
  6. Step 6: Final answer
    x = 616,271.46

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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.