Home / 839,618.93-1,158,674.45-477,043.26

Finding the Fourth Proportional to 839,618.93, 1,158,674.45 and 477,043.26

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Solution

The fourth proportional to 839,618.93, 1,158,674.45 and 477,043.26 is: 658,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,618.93 : 1,158,674.45 = 477,043.26 : x
  2. Step 2: Convert to fraction form
    839,618.93/1,158,674.45 = 477,043.26/x
  3. Step 3: Cross multiply
    839,618.93x = 1,158,674.45 × 477,043.26
  4. Step 4: Simplify right side
    839,618.93x = 552,737,834,521.49
  5. Step 5: Solve for x
    x = 552,737,834,521.49/839,618.93
  6. Step 6: Final answer
    x = 658,319.89

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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.