Home / 1,130,178.75-1,559,647.31-620,913.93

Finding the Fourth Proportional to 1,130,178.75, 1,559,647.31 and 620,913.93

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Solution

The fourth proportional to 1,130,178.75, 1,559,647.31 and 620,913.93 is: 856,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,178.75 : 1,559,647.31 = 620,913.93 : x
  2. Step 2: Convert to fraction form
    1,130,178.75/1,559,647.31 = 620,913.93/x
  3. Step 3: Cross multiply
    1,130,178.75x = 1,559,647.31 × 620,913.93
  4. Step 4: Simplify right side
    1,130,178.75x = 968,406,737,561.46
  5. Step 5: Solve for x
    x = 968,406,737,561.46/1,130,178.75
  6. Step 6: Final answer
    x = 856,861.57

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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.