Home / 553,312.20-829,968.30-174,280.80

Finding the Fourth Proportional to 553,312.20, 829,968.30 and 174,280.80

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Solution

The fourth proportional to 553,312.20, 829,968.30 and 174,280.80 is: 261,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,312.20 : 829,968.30 = 174,280.80 : x
  2. Step 2: Convert to fraction form
    553,312.20/829,968.30 = 174,280.80/x
  3. Step 3: Cross multiply
    553,312.20x = 829,968.30 × 174,280.80
  4. Step 4: Simplify right side
    553,312.20x = 144,647,539,298.64
  5. Step 5: Solve for x
    x = 144,647,539,298.64/553,312.20
  6. Step 6: Final answer
    x = 261,421.20

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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.