Home / 936,870.59-1,405,095.64-430,945.67

Finding the Fourth Proportional to 936,870.59, 1,405,095.64 and 430,945.67

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Solution

The fourth proportional to 936,870.59, 1,405,095.64 and 430,945.67 is: 646,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,870.59 : 1,405,095.64 = 430,945.67 : x
  2. Step 2: Convert to fraction form
    936,870.59/1,405,095.64 = 430,945.67/x
  3. Step 3: Cross multiply
    936,870.59x = 1,405,095.64 × 430,945.67
  4. Step 4: Simplify right side
    936,870.59x = 605,519,881,993.88
  5. Step 5: Solve for x
    x = 605,519,881,993.88/936,870.59
  6. Step 6: Final answer
    x = 646,321.80

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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.