Home / 626,525.52-939,788.28-153,205.26

Finding the Fourth Proportional to 626,525.52, 939,788.28 and 153,205.26

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Solution

The fourth proportional to 626,525.52, 939,788.28 and 153,205.26 is: 229,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,525.52 : 939,788.28 = 153,205.26 : x
  2. Step 2: Convert to fraction form
    626,525.52/939,788.28 = 153,205.26/x
  3. Step 3: Cross multiply
    626,525.52x = 939,788.28 × 153,205.26
  4. Step 4: Simplify right side
    626,525.52x = 143,980,507,782.35
  5. Step 5: Solve for x
    x = 143,980,507,782.35/626,525.52
  6. Step 6: Final answer
    x = 229,807.89

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Double scale
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Similar ratio
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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.