Home / 778,827.40-1,168,154.70-217,918.60

Finding the Fourth Proportional to 778,827.40, 1,168,154.70 and 217,918.60

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Solution

The fourth proportional to 778,827.40, 1,168,154.70 and 217,918.60 is: 326,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,827.40 : 1,168,154.70 = 217,918.60 : x
  2. Step 2: Convert to fraction form
    778,827.40/1,168,154.70 = 217,918.60/x
  3. Step 3: Cross multiply
    778,827.40x = 1,168,154.70 × 217,918.60
  4. Step 4: Simplify right side
    778,827.40x = 254,562,636,807.42
  5. Step 5: Solve for x
    x = 254,562,636,807.42/778,827.40
  6. Step 6: Final answer
    x = 326,853.72

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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.