Home / 806,929.04-1,209,260.72-637,705.44

Finding the Fourth Proportional to 806,929.04, 1,209,260.72 and 637,705.44

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Solution

The fourth proportional to 806,929.04, 1,209,260.72 and 637,705.44 is: 955,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,929.04 : 1,209,260.72 = 637,705.44 : x
  2. Step 2: Convert to fraction form
    806,929.04/1,209,260.72 = 637,705.44/x
  3. Step 3: Cross multiply
    806,929.04x = 1,209,260.72 × 637,705.44
  4. Step 4: Simplify right side
    806,929.04x = 771,152,139,522.32
  5. Step 5: Solve for x
    x = 771,152,139,522.32/806,929.04
  6. Step 6: Final answer
    x = 955,662.89

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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.