Home / 839,195.76-1,158,075.42-457,225.22

Finding the Fourth Proportional to 839,195.76, 1,158,075.42 and 457,225.22

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Solution

The fourth proportional to 839,195.76, 1,158,075.42 and 457,225.22 is: 630,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,195.76 : 1,158,075.42 = 457,225.22 : x
  2. Step 2: Convert to fraction form
    839,195.76/1,158,075.42 = 457,225.22/x
  3. Step 3: Cross multiply
    839,195.76x = 1,158,075.42 × 457,225.22
  4. Step 4: Simplify right side
    839,195.76x = 529,501,288,686.09
  5. Step 5: Solve for x
    x = 529,501,288,686.09/839,195.76
  6. Step 6: Final answer
    x = 630,962.78

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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.