Home / 784,075.26-1,082,404.08-525,857.79

Finding the Fourth Proportional to 784,075.26, 1,082,404.08 and 525,857.79

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Solution

The fourth proportional to 784,075.26, 1,082,404.08 and 525,857.79 is: 725,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,075.26 : 1,082,404.08 = 525,857.79 : x
  2. Step 2: Convert to fraction form
    784,075.26/1,082,404.08 = 525,857.79/x
  3. Step 3: Cross multiply
    784,075.26x = 1,082,404.08 × 525,857.79
  4. Step 4: Simplify right side
    784,075.26x = 569,190,617,395.78
  5. Step 5: Solve for x
    x = 569,190,617,395.78/784,075.26
  6. Step 6: Final answer
    x = 725,938.75

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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.