Home / 607,942.17-839,075.90-400,846.23

Finding the Fourth Proportional to 607,942.17, 839,075.90 and 400,846.23

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Solution

The fourth proportional to 607,942.17, 839,075.90 and 400,846.23 is: 553,244.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,942.17 : 839,075.90 = 400,846.23 : x
  2. Step 2: Convert to fraction form
    607,942.17/839,075.90 = 400,846.23/x
  3. Step 3: Cross multiply
    607,942.17x = 839,075.90 × 400,846.23
  4. Step 4: Simplify right side
    607,942.17x = 336,340,409,194.63
  5. Step 5: Solve for x
    x = 336,340,409,194.63/607,942.17
  6. Step 6: Final answer
    x = 553,244.08

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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.