Home / 826,384.26-1,140,410.29-463,808.12

Finding the Fourth Proportional to 826,384.26, 1,140,410.29 and 463,808.12

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Solution

The fourth proportional to 826,384.26, 1,140,410.29 and 463,808.12 is: 640,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,384.26 : 1,140,410.29 = 463,808.12 : x
  2. Step 2: Convert to fraction form
    826,384.26/1,140,410.29 = 463,808.12/x
  3. Step 3: Cross multiply
    826,384.26x = 1,140,410.29 × 463,808.12
  4. Step 4: Simplify right side
    826,384.26x = 528,931,549,849.03
  5. Step 5: Solve for x
    x = 528,931,549,849.03/826,384.26
  6. Step 6: Final answer
    x = 640,055.21

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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.