Home / 838,223.34-1,257,346.54-239,184.30

Finding the Fourth Proportional to 838,223.34, 1,257,346.54 and 239,184.30

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Solution

The fourth proportional to 838,223.34, 1,257,346.54 and 239,184.30 is: 358,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,223.34 : 1,257,346.54 = 239,184.30 : x
  2. Step 2: Convert to fraction form
    838,223.34/1,257,346.54 = 239,184.30/x
  3. Step 3: Cross multiply
    838,223.34x = 1,257,346.54 × 239,184.30
  4. Step 4: Simplify right side
    838,223.34x = 300,737,550,831.40
  5. Step 5: Solve for x
    x = 300,737,550,831.40/838,223.34
  6. Step 6: Final answer
    x = 358,779.74

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Double scale
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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.