Home / 691,300.80-1,036,319.40-585,366.84

Finding the Fourth Proportional to 691,300.80, 1,036,319.40 and 585,366.84

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Solution

The fourth proportional to 691,300.80, 1,036,319.40 and 585,366.84 is: 877,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,300.80 : 1,036,319.40 = 585,366.84 : x
  2. Step 2: Convert to fraction form
    691,300.80/1,036,319.40 = 585,366.84/x
  3. Step 3: Cross multiply
    691,300.80x = 1,036,319.40 × 585,366.84
  4. Step 4: Simplify right side
    691,300.80x = 606,627,012,408.70
  5. Step 5: Solve for x
    x = 606,627,012,408.70/691,300.80
  6. Step 6: Final answer
    x = 877,515.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.