Home / 839,509.98-1,158,527.70-476,953.74

Finding the Fourth Proportional to 839,509.98, 1,158,527.70 and 476,953.74

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Solution

The fourth proportional to 839,509.98, 1,158,527.70 and 476,953.74 is: 658,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,509.98 : 1,158,527.70 = 476,953.74 : x
  2. Step 2: Convert to fraction form
    839,509.98/1,158,527.70 = 476,953.74/x
  3. Step 3: Cross multiply
    839,509.98x = 1,158,527.70 × 476,953.74
  4. Step 4: Simplify right side
    839,509.98x = 552,564,119,408.60
  5. Step 5: Solve for x
    x = 552,564,119,408.60/839,509.98
  6. Step 6: Final answer
    x = 658,198.39

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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.