Home / 905,132.80-1,355,730.90-549,526.60

Finding the Fourth Proportional to 905,132.80, 1,355,730.90 and 549,526.60

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Solution

The fourth proportional to 905,132.80, 1,355,730.90 and 549,526.60 is: 823,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,132.80 : 1,355,730.90 = 549,526.60 : x
  2. Step 2: Convert to fraction form
    905,132.80/1,355,730.90 = 549,526.60/x
  3. Step 3: Cross multiply
    905,132.80x = 1,355,730.90 × 549,526.60
  4. Step 4: Simplify right side
    905,132.80x = 745,010,191,991.94
  5. Step 5: Solve for x
    x = 745,010,191,991.94/905,132.80
  6. Step 6: Final answer
    x = 823,094.90

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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.