Home / 851,117.90-1,174,507.32-463,924.80

Finding the Fourth Proportional to 851,117.90, 1,174,507.32 and 463,924.80

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Solution

The fourth proportional to 851,117.90, 1,174,507.32 and 463,924.80 is: 640,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,117.90 : 1,174,507.32 = 463,924.80 : x
  2. Step 2: Convert to fraction form
    851,117.90/1,174,507.32 = 463,924.80/x
  3. Step 3: Cross multiply
    851,117.90x = 1,174,507.32 × 463,924.80
  4. Step 4: Simplify right side
    851,117.90x = 544,883,075,269.25
  5. Step 5: Solve for x
    x = 544,883,075,269.25/851,117.90
  6. Step 6: Final answer
    x = 640,196.94

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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.