Home / 740,592.51-1,021,450.67-511,533.14

Finding the Fourth Proportional to 740,592.51, 1,021,450.67 and 511,533.14

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Solution

The fourth proportional to 740,592.51, 1,021,450.67 and 511,533.14 is: 705,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,592.51 : 1,021,450.67 = 511,533.14 : x
  2. Step 2: Convert to fraction form
    740,592.51/1,021,450.67 = 511,533.14/x
  3. Step 3: Cross multiply
    740,592.51x = 1,021,450.67 × 511,533.14
  4. Step 4: Simplify right side
    740,592.51x = 522,505,870,017.88
  5. Step 5: Solve for x
    x = 522,505,870,017.88/740,592.51
  6. Step 6: Final answer
    x = 705,524.11

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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.