Home / 562,831.07-776,699.15-308,182.23

Finding the Fourth Proportional to 562,831.07, 776,699.15 and 308,182.23

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Solution

The fourth proportional to 562,831.07, 776,699.15 and 308,182.23 is: 425,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,831.07 : 776,699.15 = 308,182.23 : x
  2. Step 2: Convert to fraction form
    562,831.07/776,699.15 = 308,182.23/x
  3. Step 3: Cross multiply
    562,831.07x = 776,699.15 × 308,182.23
  4. Step 4: Simplify right side
    562,831.07x = 239,364,874,545.19
  5. Step 5: Solve for x
    x = 239,364,874,545.19/562,831.07
  6. Step 6: Final answer
    x = 425,287.25

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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.