Home / 993,021.98-1,370,471.28-585,255.20

Finding the Fourth Proportional to 993,021.98, 1,370,471.28 and 585,255.20

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Solution

The fourth proportional to 993,021.98, 1,370,471.28 and 585,255.20 is: 807,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,021.98 : 1,370,471.28 = 585,255.20 : x
  2. Step 2: Convert to fraction form
    993,021.98/1,370,471.28 = 585,255.20/x
  3. Step 3: Cross multiply
    993,021.98x = 1,370,471.28 × 585,255.20
  4. Step 4: Simplify right side
    993,021.98x = 802,075,443,070.66
  5. Step 5: Solve for x
    x = 802,075,443,070.66/993,021.98
  6. Step 6: Final answer
    x = 807,711.67

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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.