Home / 1,384,465.15-2,077,048.48-424,969.40

Finding the Fourth Proportional to 1,384,465.15, 2,077,048.48 and 424,969.40

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Solution

The fourth proportional to 1,384,465.15, 2,077,048.48 and 424,969.40 is: 637,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,465.15 : 2,077,048.48 = 424,969.40 : x
  2. Step 2: Convert to fraction form
    1,384,465.15/2,077,048.48 = 424,969.40/x
  3. Step 3: Cross multiply
    1,384,465.15x = 2,077,048.48 × 424,969.40
  4. Step 4: Simplify right side
    1,384,465.15x = 882,682,046,316.51
  5. Step 5: Solve for x
    x = 882,682,046,316.51/1,384,465.15
  6. Step 6: Final answer
    x = 637,561.77

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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.