Home / 513,329.96-708,482.75-298,594.50

Finding the Fourth Proportional to 513,329.96, 708,482.75 and 298,594.50

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Solution

The fourth proportional to 513,329.96, 708,482.75 and 298,594.50 is: 412,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,329.96 : 708,482.75 = 298,594.50 : x
  2. Step 2: Convert to fraction form
    513,329.96/708,482.75 = 298,594.50/x
  3. Step 3: Cross multiply
    513,329.96x = 708,482.75 × 298,594.50
  4. Step 4: Simplify right side
    513,329.96x = 211,549,051,001.90
  5. Step 5: Solve for x
    x = 211,549,051,001.90/513,329.96
  6. Step 6: Final answer
    x = 412,111.25

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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.