Home / 811,102.33-1,119,328.50-448,550.74

Finding the Fourth Proportional to 811,102.33, 1,119,328.50 and 448,550.74

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Solution

The fourth proportional to 811,102.33, 1,119,328.50 and 448,550.74 is: 619,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,102.33 : 1,119,328.50 = 448,550.74 : x
  2. Step 2: Convert to fraction form
    811,102.33/1,119,328.50 = 448,550.74/x
  3. Step 3: Cross multiply
    811,102.33x = 1,119,328.50 × 448,550.74
  4. Step 4: Simplify right side
    811,102.33x = 502,075,626,978.09
  5. Step 5: Solve for x
    x = 502,075,626,978.09/811,102.33
  6. Step 6: Final answer
    x = 619,004.05

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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.