Home / 740,967.14-1,022,535.70-401,435.39

Finding the Fourth Proportional to 740,967.14, 1,022,535.70 and 401,435.39

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Solution

The fourth proportional to 740,967.14, 1,022,535.70 and 401,435.39 is: 553,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,967.14 : 1,022,535.70 = 401,435.39 : x
  2. Step 2: Convert to fraction form
    740,967.14/1,022,535.70 = 401,435.39/x
  3. Step 3: Cross multiply
    740,967.14x = 1,022,535.70 × 401,435.39
  4. Step 4: Simplify right side
    740,967.14x = 410,482,019,071.17
  5. Step 5: Solve for x
    x = 410,482,019,071.17/740,967.14
  6. Step 6: Final answer
    x = 553,981.41

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Double scale
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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.