Home / 840,573.85-1,159,990.59-458,600.67

Finding the Fourth Proportional to 840,573.85, 1,159,990.59 and 458,600.67

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Solution

The fourth proportional to 840,573.85, 1,159,990.59 and 458,600.67 is: 632,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,573.85 : 1,159,990.59 = 458,600.67 : x
  2. Step 2: Convert to fraction form
    840,573.85/1,159,990.59 = 458,600.67/x
  3. Step 3: Cross multiply
    840,573.85x = 1,159,990.59 × 458,600.67
  4. Step 4: Simplify right side
    840,573.85x = 531,972,461,767.70
  5. Step 5: Solve for x
    x = 531,972,461,767.70/840,573.85
  6. Step 6: Final answer
    x = 632,868.20

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Double scale
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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.