Home / 908,834.80-1,363,252.20-435,276.40

Finding the Fourth Proportional to 908,834.80, 1,363,252.20 and 435,276.40

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Solution

The fourth proportional to 908,834.80, 1,363,252.20 and 435,276.40 is: 652,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,834.80 : 1,363,252.20 = 435,276.40 : x
  2. Step 2: Convert to fraction form
    908,834.80/1,363,252.20 = 435,276.40/x
  3. Step 3: Cross multiply
    908,834.80x = 1,363,252.20 × 435,276.40
  4. Step 4: Simplify right side
    908,834.80x = 593,391,509,908.08
  5. Step 5: Solve for x
    x = 593,391,509,908.08/908,834.80
  6. Step 6: Final answer
    x = 652,914.60

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1.5x scale

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.