Home / 739,935.40-1,110,245.64-402,574.20

Finding the Fourth Proportional to 739,935.40, 1,110,245.64 and 402,574.20

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Solution

The fourth proportional to 739,935.40, 1,110,245.64 and 402,574.20 is: 604,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,935.40 : 1,110,245.64 = 402,574.20 : x
  2. Step 2: Convert to fraction form
    739,935.40/1,110,245.64 = 402,574.20/x
  3. Step 3: Cross multiply
    739,935.40x = 1,110,245.64 × 402,574.20
  4. Step 4: Simplify right side
    739,935.40x = 446,956,250,326.49
  5. Step 5: Solve for x
    x = 446,956,250,326.49/739,935.40
  6. Step 6: Final answer
    x = 604,047.66

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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.