Home / 943,764.76-1,302,008.70-535,778.20

Finding the Fourth Proportional to 943,764.76, 1,302,008.70 and 535,778.20

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Solution

The fourth proportional to 943,764.76, 1,302,008.70 and 535,778.20 is: 739,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,764.76 : 1,302,008.70 = 535,778.20 : x
  2. Step 2: Convert to fraction form
    943,764.76/1,302,008.70 = 535,778.20/x
  3. Step 3: Cross multiply
    943,764.76x = 1,302,008.70 × 535,778.20
  4. Step 4: Simplify right side
    943,764.76x = 697,587,877,670.34
  5. Step 5: Solve for x
    x = 697,587,877,670.34/943,764.76
  6. Step 6: Final answer
    x = 739,154.40

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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.