Home / 1,426,718.48-2,139,455.58-539,632.40

Finding the Fourth Proportional to 1,426,718.48, 2,139,455.58 and 539,632.40

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Solution

The fourth proportional to 1,426,718.48, 2,139,455.58 and 539,632.40 is: 809,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,718.48 : 2,139,455.58 = 539,632.40 : x
  2. Step 2: Convert to fraction form
    1,426,718.48/2,139,455.58 = 539,632.40/x
  3. Step 3: Cross multiply
    1,426,718.48x = 2,139,455.58 × 539,632.40
  4. Step 4: Simplify right side
    1,426,718.48x = 1,154,519,549,328.79
  5. Step 5: Solve for x
    x = 1,154,519,549,328.79/1,426,718.48
  6. Step 6: Final answer
    x = 809,213.29

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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.