Home / 743,203.65-1,026,081.62-666,587.58

Finding the Fourth Proportional to 743,203.65, 1,026,081.62 and 666,587.58

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Solution

The fourth proportional to 743,203.65, 1,026,081.62 and 666,587.58 is: 920,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,203.65 : 1,026,081.62 = 666,587.58 : x
  2. Step 2: Convert to fraction form
    743,203.65/1,026,081.62 = 666,587.58/x
  3. Step 3: Cross multiply
    743,203.65x = 1,026,081.62 × 666,587.58
  4. Step 4: Simplify right side
    743,203.65x = 683,973,263,026.79
  5. Step 5: Solve for x
    x = 683,973,263,026.79/743,203.65
  6. Step 6: Final answer
    x = 920,303.96

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Double scale
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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.