Home / 953,358.04-1,430,035.80-243,386.20

Finding the Fourth Proportional to 953,358.04, 1,430,035.80 and 243,386.20

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Solution

The fourth proportional to 953,358.04, 1,430,035.80 and 243,386.20 is: 365,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,358.04 : 1,430,035.80 = 243,386.20 : x
  2. Step 2: Convert to fraction form
    953,358.04/1,430,035.80 = 243,386.20/x
  3. Step 3: Cross multiply
    953,358.04x = 1,430,035.80 × 243,386.20
  4. Step 4: Simplify right side
    953,358.04x = 348,050,979,225.96
  5. Step 5: Solve for x
    x = 348,050,979,225.96/953,358.04
  6. Step 6: Final answer
    x = 365,078.98

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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.