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Finding the Fourth Proportional to 1,084,040, 1,495,332 and 654,065.60

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Solution

The fourth proportional to 1,084,040, 1,495,332 and 654,065.60 is: 902,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,040 : 1,495,332 = 654,065.60 : x
  2. Step 2: Convert to fraction form
    1,084,040/1,495,332 = 654,065.60/x
  3. Step 3: Cross multiply
    1,084,040x = 1,495,332 × 654,065.60
  4. Step 4: Simplify right side
    1,084,040x = 978,045,221,779.20
  5. Step 5: Solve for x
    x = 978,045,221,779.20/1,084,040
  6. Step 6: Final answer
    x = 902,222.45

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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.