Home / 946,409.60-1,419,614.40-679,606.40

Finding the Fourth Proportional to 946,409.60, 1,419,614.40 and 679,606.40

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Solution

The fourth proportional to 946,409.60, 1,419,614.40 and 679,606.40 is: 1,019,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,409.60 : 1,419,614.40 = 679,606.40 : x
  2. Step 2: Convert to fraction form
    946,409.60/1,419,614.40 = 679,606.40/x
  3. Step 3: Cross multiply
    946,409.60x = 1,419,614.40 × 679,606.40
  4. Step 4: Simplify right side
    946,409.60x = 964,779,031,772.16
  5. Step 5: Solve for x
    x = 964,779,031,772.16/946,409.60
  6. Step 6: Final answer
    x = 1,019,409.60

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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.