Home / 916,307.37-1,373,908.77-410,776.83

Finding the Fourth Proportional to 916,307.37, 1,373,908.77 and 410,776.83

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Solution

The fourth proportional to 916,307.37, 1,373,908.77 and 410,776.83 is: 615,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,307.37 : 1,373,908.77 = 410,776.83 : x
  2. Step 2: Convert to fraction form
    916,307.37/1,373,908.77 = 410,776.83/x
  3. Step 3: Cross multiply
    916,307.37x = 1,373,908.77 × 410,776.83
  4. Step 4: Simplify right side
    916,307.37x = 564,369,889,249.80
  5. Step 5: Solve for x
    x = 564,369,889,249.80/916,307.37
  6. Step 6: Final answer
    x = 615,917.66

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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.