Home / 774,622.53-1,069,182.09-435,200.13

Finding the Fourth Proportional to 774,622.53, 1,069,182.09 and 435,200.13

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Solution

The fourth proportional to 774,622.53, 1,069,182.09 and 435,200.13 is: 600,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,622.53 : 1,069,182.09 = 435,200.13 : x
  2. Step 2: Convert to fraction form
    774,622.53/1,069,182.09 = 435,200.13/x
  3. Step 3: Cross multiply
    774,622.53x = 1,069,182.09 × 435,200.13
  4. Step 4: Simplify right side
    774,622.53x = 465,308,184,561.67
  5. Step 5: Solve for x
    x = 465,308,184,561.67/774,622.53
  6. Step 6: Final answer
    x = 600,690.23

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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.