Home / 4,920,457.40-7,380,686.10-4,731,500.60

Finding the Fourth Proportional to 4,920,457.40, 7,380,686.10 and 4,731,500.60

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Solution

The fourth proportional to 4,920,457.40, 7,380,686.10 and 4,731,500.60 is: 7,097,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,457.40 : 7,380,686.10 = 4,731,500.60 : x
  2. Step 2: Convert to fraction form
    4,920,457.40/7,380,686.10 = 4,731,500.60/x
  3. Step 3: Cross multiply
    4,920,457.40x = 7,380,686.10 × 4,731,500.60
  4. Step 4: Simplify right side
    4,920,457.40x = 34,921,720,710,561.66
  5. Step 5: Solve for x
    x = 34,921,720,710,561.66/4,920,457.40
  6. Step 6: Final answer
    x = 7,097,250.90

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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.