Home / 1,111,420.85-1,533,762.35-602,123.23

Finding the Fourth Proportional to 1,111,420.85, 1,533,762.35 and 602,123.23

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Solution

The fourth proportional to 1,111,420.85, 1,533,762.35 and 602,123.23 is: 830,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,420.85 : 1,533,762.35 = 602,123.23 : x
  2. Step 2: Convert to fraction form
    1,111,420.85/1,533,762.35 = 602,123.23/x
  3. Step 3: Cross multiply
    1,111,420.85x = 1,533,762.35 × 602,123.23
  4. Step 4: Simplify right side
    1,111,420.85x = 923,513,933,389.37
  5. Step 5: Solve for x
    x = 923,513,933,389.37/1,111,420.85
  6. Step 6: Final answer
    x = 830,930.90

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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.