Home / 778,897.30-1,168,345.95-441,807.70

Finding the Fourth Proportional to 778,897.30, 1,168,345.95 and 441,807.70

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Solution

The fourth proportional to 778,897.30, 1,168,345.95 and 441,807.70 is: 662,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,897.30 : 1,168,345.95 = 441,807.70 : x
  2. Step 2: Convert to fraction form
    778,897.30/1,168,345.95 = 441,807.70/x
  3. Step 3: Cross multiply
    778,897.30x = 1,168,345.95 × 441,807.70
  4. Step 4: Simplify right side
    778,897.30x = 516,184,236,973.82
  5. Step 5: Solve for x
    x = 516,184,236,973.82/778,897.30
  6. Step 6: Final answer
    x = 662,711.55

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.