Home / 1,931,303.61-2,897,066.07-511,322.76

Finding the Fourth Proportional to 1,931,303.61, 2,897,066.07 and 511,322.76

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Solution

The fourth proportional to 1,931,303.61, 2,897,066.07 and 511,322.76 is: 767,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,303.61 : 2,897,066.07 = 511,322.76 : x
  2. Step 2: Convert to fraction form
    1,931,303.61/2,897,066.07 = 511,322.76/x
  3. Step 3: Cross multiply
    1,931,303.61x = 2,897,066.07 × 511,322.76
  4. Step 4: Simplify right side
    1,931,303.61x = 1,481,335,818,814.75
  5. Step 5: Solve for x
    x = 1,481,335,818,814.75/1,931,303.61
  6. Step 6: Final answer
    x = 767,013.44

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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.