Home / 974,140.40-1,461,210.60-936,815.60

Finding the Fourth Proportional to 974,140.40, 1,461,210.60 and 936,815.60

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Solution

The fourth proportional to 974,140.40, 1,461,210.60 and 936,815.60 is: 1,405,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,140.40 : 1,461,210.60 = 936,815.60 : x
  2. Step 2: Convert to fraction form
    974,140.40/1,461,210.60 = 936,815.60/x
  3. Step 3: Cross multiply
    974,140.40x = 1,461,210.60 × 936,815.60
  4. Step 4: Simplify right side
    974,140.40x = 1,368,884,884,965.36
  5. Step 5: Solve for x
    x = 1,368,884,884,965.36/974,140.40
  6. Step 6: Final answer
    x = 1,405,223.40

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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.