Home / 752,897.21-1,038,701.81-430,434.05

Finding the Fourth Proportional to 752,897.21, 1,038,701.81 and 430,434.05

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Solution

The fourth proportional to 752,897.21, 1,038,701.81 and 430,434.05 is: 593,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,897.21 : 1,038,701.81 = 430,434.05 : x
  2. Step 2: Convert to fraction form
    752,897.21/1,038,701.81 = 430,434.05/x
  3. Step 3: Cross multiply
    752,897.21x = 1,038,701.81 × 430,434.05
  4. Step 4: Simplify right side
    752,897.21x = 447,092,622,703.21
  5. Step 5: Solve for x
    x = 447,092,622,703.21/752,897.21
  6. Step 6: Final answer
    x = 593,829.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.