Home / 857,525.08-1,183,376.52-470,332.61

Finding the Fourth Proportional to 857,525.08, 1,183,376.52 and 470,332.61

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Solution

The fourth proportional to 857,525.08, 1,183,376.52 and 470,332.61 is: 649,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,525.08 : 1,183,376.52 = 470,332.61 : x
  2. Step 2: Convert to fraction form
    857,525.08/1,183,376.52 = 470,332.61/x
  3. Step 3: Cross multiply
    857,525.08x = 1,183,376.52 × 470,332.61
  4. Step 4: Simplify right side
    857,525.08x = 556,580,567,264.32
  5. Step 5: Solve for x
    x = 556,580,567,264.32/857,525.08
  6. Step 6: Final answer
    x = 649,054.56

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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.