Home / 1,111,699.62-1,533,975.80-628,088.31

Finding the Fourth Proportional to 1,111,699.62, 1,533,975.80 and 628,088.31

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Solution

The fourth proportional to 1,111,699.62, 1,533,975.80 and 628,088.31 is: 866,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,699.62 : 1,533,975.80 = 628,088.31 : x
  2. Step 2: Convert to fraction form
    1,111,699.62/1,533,975.80 = 628,088.31/x
  3. Step 3: Cross multiply
    1,111,699.62x = 1,533,975.80 × 628,088.31
  4. Step 4: Simplify right side
    1,111,699.62x = 963,472,267,802.90
  5. Step 5: Solve for x
    x = 963,472,267,802.90/1,111,699.62
  6. Step 6: Final answer
    x = 866,666.00

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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.