Home / 953,402.04-1,430,101.80-243,430.20

Finding the Fourth Proportional to 953,402.04, 1,430,101.80 and 243,430.20

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Solution

The fourth proportional to 953,402.04, 1,430,101.80 and 243,430.20 is: 365,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,402.04 : 1,430,101.80 = 243,430.20 : x
  2. Step 2: Convert to fraction form
    953,402.04/1,430,101.80 = 243,430.20/x
  3. Step 3: Cross multiply
    953,402.04x = 1,430,101.80 × 243,430.20
  4. Step 4: Simplify right side
    953,402.04x = 348,129,967,194.36
  5. Step 5: Solve for x
    x = 348,129,967,194.36/953,402.04
  6. Step 6: Final answer
    x = 365,144.98

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Double scale
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Similar ratio
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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.