Home / 1,038,705.80-1,557,767.10-328,951.40

Finding the Fourth Proportional to 1,038,705.80, 1,557,767.10 and 328,951.40

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Solution

The fourth proportional to 1,038,705.80, 1,557,767.10 and 328,951.40 is: 493,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,705.80 : 1,557,767.10 = 328,951.40 : x
  2. Step 2: Convert to fraction form
    1,038,705.80/1,557,767.10 = 328,951.40/x
  3. Step 3: Cross multiply
    1,038,705.80x = 1,557,767.10 × 328,951.40
  4. Step 4: Simplify right side
    1,038,705.80x = 512,429,668,418.94
  5. Step 5: Solve for x
    x = 512,429,668,418.94/1,038,705.80
  6. Step 6: Final answer
    x = 493,334.75

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Double scale
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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.