Home / 369,315.60-553,973.40-303,705.60

Finding the Fourth Proportional to 369,315.60, 553,973.40 and 303,705.60

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Solution

The fourth proportional to 369,315.60, 553,973.40 and 303,705.60 is: 455,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,315.60 : 553,973.40 = 303,705.60 : x
  2. Step 2: Convert to fraction form
    369,315.60/553,973.40 = 303,705.60/x
  3. Step 3: Cross multiply
    369,315.60x = 553,973.40 × 303,705.60
  4. Step 4: Simplify right side
    369,315.60x = 168,244,823,831.04
  5. Step 5: Solve for x
    x = 168,244,823,831.04/369,315.60
  6. Step 6: Final answer
    x = 455,558.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.