Home / 1,318,618.85-1,977,534.61-560,457.02

Finding the Fourth Proportional to 1,318,618.85, 1,977,534.61 and 560,457.02

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Solution

The fourth proportional to 1,318,618.85, 1,977,534.61 and 560,457.02 is: 840,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,618.85 : 1,977,534.61 = 560,457.02 : x
  2. Step 2: Convert to fraction form
    1,318,618.85/1,977,534.61 = 560,457.02/x
  3. Step 3: Cross multiply
    1,318,618.85x = 1,977,534.61 × 560,457.02
  4. Step 4: Simplify right side
    1,318,618.85x = 1,108,323,158,010.16
  5. Step 5: Solve for x
    x = 1,108,323,158,010.16/1,318,618.85
  6. Step 6: Final answer
    x = 840,518.22

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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.