Home / 740,567.16-1,021,976.76-401,035.42

Finding the Fourth Proportional to 740,567.16, 1,021,976.76 and 401,035.42

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Solution

The fourth proportional to 740,567.16, 1,021,976.76 and 401,035.42 is: 553,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,567.16 : 1,021,976.76 = 401,035.42 : x
  2. Step 2: Convert to fraction form
    740,567.16/1,021,976.76 = 401,035.42/x
  3. Step 3: Cross multiply
    740,567.16x = 1,021,976.76 × 401,035.42
  4. Step 4: Simplify right side
    740,567.16x = 409,848,879,176.84
  5. Step 5: Solve for x
    x = 409,848,879,176.84/740,567.16
  6. Step 6: Final answer
    x = 553,425.67

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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.