Home / 1,018,543.01-1,405,582.62-559,662.56

Finding the Fourth Proportional to 1,018,543.01, 1,405,582.62 and 559,662.56

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Solution

The fourth proportional to 1,018,543.01, 1,405,582.62 and 559,662.56 is: 772,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,543.01 : 1,405,582.62 = 559,662.56 : x
  2. Step 2: Convert to fraction form
    1,018,543.01/1,405,582.62 = 559,662.56/x
  3. Step 3: Cross multiply
    1,018,543.01x = 1,405,582.62 × 559,662.56
  4. Step 4: Simplify right side
    1,018,543.01x = 786,651,974,599.50
  5. Step 5: Solve for x
    x = 786,651,974,599.50/1,018,543.01
  6. Step 6: Final answer
    x = 772,330.64

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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.