Home / 545,188.08-752,123.16-384,017.52

Finding the Fourth Proportional to 545,188.08, 752,123.16 and 384,017.52

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Solution

The fourth proportional to 545,188.08, 752,123.16 and 384,017.52 is: 529,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,188.08 : 752,123.16 = 384,017.52 : x
  2. Step 2: Convert to fraction form
    545,188.08/752,123.16 = 384,017.52/x
  3. Step 3: Cross multiply
    545,188.08x = 752,123.16 × 384,017.52
  4. Step 4: Simplify right side
    545,188.08x = 288,828,470,637.76
  5. Step 5: Solve for x
    x = 288,828,470,637.76/545,188.08
  6. Step 6: Final answer
    x = 529,777.67

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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.