Home / 693,445.70-1,040,168.55-553,477.70

Finding the Fourth Proportional to 693,445.70, 1,040,168.55 and 553,477.70

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Solution

The fourth proportional to 693,445.70, 1,040,168.55 and 553,477.70 is: 830,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,445.70 : 1,040,168.55 = 553,477.70 : x
  2. Step 2: Convert to fraction form
    693,445.70/1,040,168.55 = 553,477.70/x
  3. Step 3: Cross multiply
    693,445.70x = 1,040,168.55 × 553,477.70
  4. Step 4: Simplify right side
    693,445.70x = 575,710,096,666.34
  5. Step 5: Solve for x
    x = 575,710,096,666.34/693,445.70
  6. Step 6: Final answer
    x = 830,216.55

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Similar ratio
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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.