Home / 623,618.28-860,618.36-348,000.24

Finding the Fourth Proportional to 623,618.28, 860,618.36 and 348,000.24

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Solution

The fourth proportional to 623,618.28, 860,618.36 and 348,000.24 is: 480,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,618.28 : 860,618.36 = 348,000.24 : x
  2. Step 2: Convert to fraction form
    623,618.28/860,618.36 = 348,000.24/x
  3. Step 3: Cross multiply
    623,618.28x = 860,618.36 × 348,000.24
  4. Step 4: Simplify right side
    623,618.28x = 299,495,395,828.41
  5. Step 5: Solve for x
    x = 299,495,395,828.41/623,618.28
  6. Step 6: Final answer
    x = 480,254.36

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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.