Home / 674,831.95-930,664.53-559,928.34

Finding the Fourth Proportional to 674,831.95, 930,664.53 and 559,928.34

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Solution

The fourth proportional to 674,831.95, 930,664.53 and 559,928.34 is: 772,200.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,831.95 : 930,664.53 = 559,928.34 : x
  2. Step 2: Convert to fraction form
    674,831.95/930,664.53 = 559,928.34/x
  3. Step 3: Cross multiply
    674,831.95x = 930,664.53 × 559,928.34
  4. Step 4: Simplify right side
    674,831.95x = 521,105,440,726.46
  5. Step 5: Solve for x
    x = 521,105,440,726.46/674,831.95
  6. Step 6: Final answer
    x = 772,200.31

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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.