Home / 1,111,421.42-1,533,763.11-602,123.79

Finding the Fourth Proportional to 1,111,421.42, 1,533,763.11 and 602,123.79

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Solution

The fourth proportional to 1,111,421.42, 1,533,763.11 and 602,123.79 is: 830,931.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,421.42 : 1,533,763.11 = 602,123.79 : x
  2. Step 2: Convert to fraction form
    1,111,421.42/1,533,763.11 = 602,123.79/x
  3. Step 3: Cross multiply
    1,111,421.42x = 1,533,763.11 × 602,123.79
  4. Step 4: Simplify right side
    1,111,421.42x = 923,515,256,755.39
  5. Step 5: Solve for x
    x = 923,515,256,755.39/1,111,421.42
  6. Step 6: Final answer
    x = 830,931.67

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Double scale
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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.