Home / 623,819.21-860,870.57-337,339.35

Finding the Fourth Proportional to 623,819.21, 860,870.57 and 337,339.35

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Solution

The fourth proportional to 623,819.21, 860,870.57 and 337,339.35 is: 465,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,819.21 : 860,870.57 = 337,339.35 : x
  2. Step 2: Convert to fraction form
    623,819.21/860,870.57 = 337,339.35/x
  3. Step 3: Cross multiply
    623,819.21x = 860,870.57 × 337,339.35
  4. Step 4: Simplify right side
    623,819.21x = 290,405,516,831.23
  5. Step 5: Solve for x
    x = 290,405,516,831.23/623,819.21
  6. Step 6: Final answer
    x = 465,528.34

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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.