Home / 887,369.40-1,224,820.64-524,919.27

Finding the Fourth Proportional to 887,369.40, 1,224,820.64 and 524,919.27

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Solution

The fourth proportional to 887,369.40, 1,224,820.64 and 524,919.27 is: 724,536.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,369.40 : 1,224,820.64 = 524,919.27 : x
  2. Step 2: Convert to fraction form
    887,369.40/1,224,820.64 = 524,919.27/x
  3. Step 3: Cross multiply
    887,369.40x = 1,224,820.64 × 524,919.27
  4. Step 4: Simplify right side
    887,369.40x = 642,931,953,605.14
  5. Step 5: Solve for x
    x = 642,931,953,605.14/887,369.40
  6. Step 6: Final answer
    x = 724,536.99

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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.