Home / 1,014,814.23-1,400,445.32-555,918.80

Finding the Fourth Proportional to 1,014,814.23, 1,400,445.32 and 555,918.80

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Solution

The fourth proportional to 1,014,814.23, 1,400,445.32 and 555,918.80 is: 767,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,814.23 : 1,400,445.32 = 555,918.80 : x
  2. Step 2: Convert to fraction form
    1,014,814.23/1,400,445.32 = 555,918.80/x
  3. Step 3: Cross multiply
    1,014,814.23x = 1,400,445.32 × 555,918.80
  4. Step 4: Simplify right side
    1,014,814.23x = 778,533,875,105.24
  5. Step 5: Solve for x
    x = 778,533,875,105.24/1,014,814.23
  6. Step 6: Final answer
    x = 767,168.86

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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.