Home / 570,430.26-786,581.62-480,774.20

Finding the Fourth Proportional to 570,430.26, 786,581.62 and 480,774.20

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Solution

The fourth proportional to 570,430.26, 786,581.62 and 480,774.20 is: 662,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,430.26 : 786,581.62 = 480,774.20 : x
  2. Step 2: Convert to fraction form
    570,430.26/786,581.62 = 480,774.20/x
  3. Step 3: Cross multiply
    570,430.26x = 786,581.62 × 480,774.20
  4. Step 4: Simplify right side
    570,430.26x = 378,168,143,955.36
  5. Step 5: Solve for x
    x = 378,168,143,955.36/570,430.26
  6. Step 6: Final answer
    x = 662,952.46

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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.