Home / 838,170.43-1,157,085.24-562,429.62

Finding the Fourth Proportional to 838,170.43, 1,157,085.24 and 562,429.62

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Solution

The fourth proportional to 838,170.43, 1,157,085.24 and 562,429.62 is: 776,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,170.43 : 1,157,085.24 = 562,429.62 : x
  2. Step 2: Convert to fraction form
    838,170.43/1,157,085.24 = 562,429.62/x
  3. Step 3: Cross multiply
    838,170.43x = 1,157,085.24 × 562,429.62
  4. Step 4: Simplify right side
    838,170.43x = 650,779,011,840.81
  5. Step 5: Solve for x
    x = 650,779,011,840.81/838,170.43
  6. Step 6: Final answer
    x = 776,428.03

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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.