Home / 626,539.28-939,800.76-153,228.72

Finding the Fourth Proportional to 626,539.28, 939,800.76 and 153,228.72

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Solution

The fourth proportional to 626,539.28, 939,800.76 and 153,228.72 is: 229,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,539.28 : 939,800.76 = 153,228.72 : x
  2. Step 2: Convert to fraction form
    626,539.28/939,800.76 = 153,228.72/x
  3. Step 3: Cross multiply
    626,539.28x = 939,800.76 × 153,228.72
  4. Step 4: Simplify right side
    626,539.28x = 144,004,467,509.83
  5. Step 5: Solve for x
    x = 144,004,467,509.83/626,539.28
  6. Step 6: Final answer
    x = 229,841.08

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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.