Home / 761,117.45-1,050,342.54-416,965.89

Finding the Fourth Proportional to 761,117.45, 1,050,342.54 and 416,965.89

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Solution

The fourth proportional to 761,117.45, 1,050,342.54 and 416,965.89 is: 575,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,117.45 : 1,050,342.54 = 416,965.89 : x
  2. Step 2: Convert to fraction form
    761,117.45/1,050,342.54 = 416,965.89/x
  3. Step 3: Cross multiply
    761,117.45x = 1,050,342.54 × 416,965.89
  4. Step 4: Simplify right side
    761,117.45x = 437,957,011,995.96
  5. Step 5: Solve for x
    x = 437,957,011,995.96/761,117.45
  6. Step 6: Final answer
    x = 575,413.18

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1.5x scale

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.