Home / 942,057.05-1,300,048.26-512,346.65

Finding the Fourth Proportional to 942,057.05, 1,300,048.26 and 512,346.65

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Solution

The fourth proportional to 942,057.05, 1,300,048.26 and 512,346.65 is: 707,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,057.05 : 1,300,048.26 = 512,346.65 : x
  2. Step 2: Convert to fraction form
    942,057.05/1,300,048.26 = 512,346.65/x
  3. Step 3: Cross multiply
    942,057.05x = 1,300,048.26 × 512,346.65
  4. Step 4: Simplify right side
    942,057.05x = 666,075,370,849.33
  5. Step 5: Solve for x
    x = 666,075,370,849.33/942,057.05
  6. Step 6: Final answer
    x = 707,043.56

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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.