Home / 470,590.08-649,412.28-255,726.24

Finding the Fourth Proportional to 470,590.08, 649,412.28 and 255,726.24

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Solution

The fourth proportional to 470,590.08, 649,412.28 and 255,726.24 is: 352,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,590.08 : 649,412.28 = 255,726.24 : x
  2. Step 2: Convert to fraction form
    470,590.08/649,412.28 = 255,726.24/x
  3. Step 3: Cross multiply
    470,590.08x = 649,412.28 × 255,726.24
  4. Step 4: Simplify right side
    470,590.08x = 166,071,760,574.23
  5. Step 5: Solve for x
    x = 166,071,760,574.23/470,590.08
  6. Step 6: Final answer
    x = 352,901.11

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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.