Home / 626,091.12-939,127.57-433,788.21

Finding the Fourth Proportional to 626,091.12, 939,127.57 and 433,788.21

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Solution

The fourth proportional to 626,091.12, 939,127.57 and 433,788.21 is: 650,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,091.12 : 939,127.57 = 433,788.21 : x
  2. Step 2: Convert to fraction form
    626,091.12/939,127.57 = 433,788.21/x
  3. Step 3: Cross multiply
    626,091.12x = 939,127.57 × 433,788.21
  4. Step 4: Simplify right side
    626,091.12x = 407,382,466,467.48
  5. Step 5: Solve for x
    x = 407,382,466,467.48/626,091.12
  6. Step 6: Final answer
    x = 650,676.00

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Double scale
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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.