Home / 745,742.40-1,118,613.60-537,345.60

Finding the Fourth Proportional to 745,742.40, 1,118,613.60 and 537,345.60

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Solution

The fourth proportional to 745,742.40, 1,118,613.60 and 537,345.60 is: 806,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,742.40 : 1,118,613.60 = 537,345.60 : x
  2. Step 2: Convert to fraction form
    745,742.40/1,118,613.60 = 537,345.60/x
  3. Step 3: Cross multiply
    745,742.40x = 1,118,613.60 × 537,345.60
  4. Step 4: Simplify right side
    745,742.40x = 601,082,096,060.16
  5. Step 5: Solve for x
    x = 601,082,096,060.16/745,742.40
  6. Step 6: Final answer
    x = 806,018.40

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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.