Home / 623,785.54-860,829.19-344,391.74

Finding the Fourth Proportional to 623,785.54, 860,829.19 and 344,391.74

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Solution

The fourth proportional to 623,785.54, 860,829.19 and 344,391.74 is: 475,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,785.54 : 860,829.19 = 344,391.74 : x
  2. Step 2: Convert to fraction form
    623,785.54/860,829.19 = 344,391.74/x
  3. Step 3: Cross multiply
    623,785.54x = 860,829.19 × 344,391.74
  4. Step 4: Simplify right side
    623,785.54x = 296,462,457,421.77
  5. Step 5: Solve for x
    x = 296,462,457,421.77/623,785.54
  6. Step 6: Final answer
    x = 475,263.44

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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.