Home / 755,743.06-1,042,909.74-411,582.76

Finding the Fourth Proportional to 755,743.06, 1,042,909.74 and 411,582.76

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Solution

The fourth proportional to 755,743.06, 1,042,909.74 and 411,582.76 is: 567,975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,743.06 : 1,042,909.74 = 411,582.76 : x
  2. Step 2: Convert to fraction form
    755,743.06/1,042,909.74 = 411,582.76/x
  3. Step 3: Cross multiply
    755,743.06x = 1,042,909.74 × 411,582.76
  4. Step 4: Simplify right side
    755,743.06x = 429,243,669,220.08
  5. Step 5: Solve for x
    x = 429,243,669,220.08/755,743.06
  6. Step 6: Final answer
    x = 567,975.67

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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.