Home / 705,280.54-973,535.48-418,798.52

Finding the Fourth Proportional to 705,280.54, 973,535.48 and 418,798.52

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Solution

The fourth proportional to 705,280.54, 973,535.48 and 418,798.52 is: 578,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,280.54 : 973,535.48 = 418,798.52 : x
  2. Step 2: Convert to fraction form
    705,280.54/973,535.48 = 418,798.52/x
  3. Step 3: Cross multiply
    705,280.54x = 973,535.48 × 418,798.52
  4. Step 4: Simplify right side
    705,280.54x = 407,715,218,191.49
  5. Step 5: Solve for x
    x = 407,715,218,191.49/705,280.54
  6. Step 6: Final answer
    x = 578,089.42

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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.