Home / 626,075.46-863,575.56-396,393.35

Finding the Fourth Proportional to 626,075.46, 863,575.56 and 396,393.35

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Solution

The fourth proportional to 626,075.46, 863,575.56 and 396,393.35 is: 546,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,075.46 : 863,575.56 = 396,393.35 : x
  2. Step 2: Convert to fraction form
    626,075.46/863,575.56 = 396,393.35/x
  3. Step 3: Cross multiply
    626,075.46x = 863,575.56 × 396,393.35
  4. Step 4: Simplify right side
    626,075.46x = 342,315,604,888.65
  5. Step 5: Solve for x
    x = 342,315,604,888.65/626,075.46
  6. Step 6: Final answer
    x = 546,764.13

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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.