Home / 975,731.80-1,463,597.70-621,000.40

Finding the Fourth Proportional to 975,731.80, 1,463,597.70 and 621,000.40

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Solution

The fourth proportional to 975,731.80, 1,463,597.70 and 621,000.40 is: 931,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,731.80 : 1,463,597.70 = 621,000.40 : x
  2. Step 2: Convert to fraction form
    975,731.80/1,463,597.70 = 621,000.40/x
  3. Step 3: Cross multiply
    975,731.80x = 1,463,597.70 × 621,000.40
  4. Step 4: Simplify right side
    975,731.80x = 908,894,757,139.08
  5. Step 5: Solve for x
    x = 908,894,757,139.08/975,731.80
  6. Step 6: Final answer
    x = 931,500.60

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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.