Home / 772,299.04-1,158,641.52-545,038.39

Finding the Fourth Proportional to 772,299.04, 1,158,641.52 and 545,038.39

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Solution

The fourth proportional to 772,299.04, 1,158,641.52 and 545,038.39 is: 817,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,299.04 : 1,158,641.52 = 545,038.39 : x
  2. Step 2: Convert to fraction form
    772,299.04/1,158,641.52 = 545,038.39/x
  3. Step 3: Cross multiply
    772,299.04x = 1,158,641.52 × 545,038.39
  4. Step 4: Simplify right side
    772,299.04x = 631,504,106,423.02
  5. Step 5: Solve for x
    x = 631,504,106,423.02/772,299.04
  6. Step 6: Final answer
    x = 817,693.76

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1.5x scale

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.