Home / 839,947.18-1,159,098.24-477,364.72

Finding the Fourth Proportional to 839,947.18, 1,159,098.24 and 477,364.72

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Solution

The fourth proportional to 839,947.18, 1,159,098.24 and 477,364.72 is: 658,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,947.18 : 1,159,098.24 = 477,364.72 : x
  2. Step 2: Convert to fraction form
    839,947.18/1,159,098.24 = 477,364.72/x
  3. Step 3: Cross multiply
    839,947.18x = 1,159,098.24 × 477,364.72
  4. Step 4: Simplify right side
    839,947.18x = 553,312,606,790.09
  5. Step 5: Solve for x
    x = 553,312,606,790.09/839,947.18
  6. Step 6: Final answer
    x = 658,746.91

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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.