Home / 670,005.12-924,192.30-440,588.76

Finding the Fourth Proportional to 670,005.12, 924,192.30 and 440,588.76

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Solution

The fourth proportional to 670,005.12, 924,192.30 and 440,588.76 is: 607,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,005.12 : 924,192.30 = 440,588.76 : x
  2. Step 2: Convert to fraction form
    670,005.12/924,192.30 = 440,588.76/x
  3. Step 3: Cross multiply
    670,005.12x = 924,192.30 × 440,588.76
  4. Step 4: Simplify right side
    670,005.12x = 407,188,739,458.55
  5. Step 5: Solve for x
    x = 407,188,739,458.55/670,005.12
  6. Step 6: Final answer
    x = 607,739.74

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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.