Home / 705,024.48-972,831.14-403,160.16

Finding the Fourth Proportional to 705,024.48, 972,831.14 and 403,160.16

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Solution

The fourth proportional to 705,024.48, 972,831.14 and 403,160.16 is: 556,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,024.48 : 972,831.14 = 403,160.16 : x
  2. Step 2: Convert to fraction form
    705,024.48/972,831.14 = 403,160.16/x
  3. Step 3: Cross multiply
    705,024.48x = 972,831.14 × 403,160.16
  4. Step 4: Simplify right side
    705,024.48x = 392,206,763,467.33
  5. Step 5: Solve for x
    x = 392,206,763,467.33/705,024.48
  6. Step 6: Final answer
    x = 556,302.33

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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.