Home / 771,075.88-1,063,957.74-484,392.92

Finding the Fourth Proportional to 771,075.88, 1,063,957.74 and 484,392.92

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Solution

The fourth proportional to 771,075.88, 1,063,957.74 and 484,392.92 is: 668,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,075.88 : 1,063,957.74 = 484,392.92 : x
  2. Step 2: Convert to fraction form
    771,075.88/1,063,957.74 = 484,392.92/x
  3. Step 3: Cross multiply
    771,075.88x = 1,063,957.74 × 484,392.92
  4. Step 4: Simplify right side
    771,075.88x = 515,373,596,435.20
  5. Step 5: Solve for x
    x = 515,373,596,435.20/771,075.88
  6. Step 6: Final answer
    x = 668,382.46

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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.