Home / 626,556.10-864,624.24-340,070.04

Finding the Fourth Proportional to 626,556.10, 864,624.24 and 340,070.04

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Solution

The fourth proportional to 626,556.10, 864,624.24 and 340,070.04 is: 469,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,556.10 : 864,624.24 = 340,070.04 : x
  2. Step 2: Convert to fraction form
    626,556.10/864,624.24 = 340,070.04/x
  3. Step 3: Cross multiply
    626,556.10x = 864,624.24 × 340,070.04
  4. Step 4: Simplify right side
    626,556.10x = 294,032,799,881.77
  5. Step 5: Solve for x
    x = 294,032,799,881.77/626,556.10
  6. Step 6: Final answer
    x = 469,284.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.