Home / 1,130,413.80-1,699,557.30-957,203.40

Finding the Fourth Proportional to 1,130,413.80, 1,699,557.30 and 957,203.40

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Solution

The fourth proportional to 1,130,413.80, 1,699,557.30 and 957,203.40 is: 1,439,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,413.80 : 1,699,557.30 = 957,203.40 : x
  2. Step 2: Convert to fraction form
    1,130,413.80/1,699,557.30 = 957,203.40/x
  3. Step 3: Cross multiply
    1,130,413.80x = 1,699,557.30 × 957,203.40
  4. Step 4: Simplify right side
    1,130,413.80x = 1,626,822,026,054.82
  5. Step 5: Solve for x
    x = 1,626,822,026,054.82/1,130,413.80
  6. Step 6: Final answer
    x = 1,439,138.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.