Home / 685,573.74-947,077.38-547,571.34

Finding the Fourth Proportional to 685,573.74, 947,077.38 and 547,571.34

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Solution

The fourth proportional to 685,573.74, 947,077.38 and 547,571.34 is: 756,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,573.74 : 947,077.38 = 547,571.34 : x
  2. Step 2: Convert to fraction form
    685,573.74/947,077.38 = 547,571.34/x
  3. Step 3: Cross multiply
    685,573.74x = 947,077.38 × 547,571.34
  4. Step 4: Simplify right side
    685,573.74x = 518,592,430,050.29
  5. Step 5: Solve for x
    x = 518,592,430,050.29/685,573.74
  6. Step 6: Final answer
    x = 756,435.67

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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.