Home / 830,557.80-1,245,059.10-650,543.40

Finding the Fourth Proportional to 830,557.80, 1,245,059.10 and 650,543.40

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Solution

The fourth proportional to 830,557.80, 1,245,059.10 and 650,543.40 is: 975,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,557.80 : 1,245,059.10 = 650,543.40 : x
  2. Step 2: Convert to fraction form
    830,557.80/1,245,059.10 = 650,543.40/x
  3. Step 3: Cross multiply
    830,557.80x = 1,245,059.10 × 650,543.40
  4. Step 4: Simplify right side
    830,557.80x = 809,964,980,114.94
  5. Step 5: Solve for x
    x = 809,964,980,114.94/830,557.80
  6. Step 6: Final answer
    x = 975,206.04

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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.