Home / 626,341.89-939,504.63-153,031.35

Finding the Fourth Proportional to 626,341.89, 939,504.63 and 153,031.35

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Solution

The fourth proportional to 626,341.89, 939,504.63 and 153,031.35 is: 229,545.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,341.89 : 939,504.63 = 153,031.35 : x
  2. Step 2: Convert to fraction form
    626,341.89/939,504.63 = 153,031.35/x
  3. Step 3: Cross multiply
    626,341.89x = 939,504.63 × 153,031.35
  4. Step 4: Simplify right side
    626,341.89x = 143,773,661,860.15
  5. Step 5: Solve for x
    x = 143,773,661,860.15/626,341.89
  6. Step 6: Final answer
    x = 229,545.02

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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.