Home / 742,124.96-1,023,500.28-570,458.45

Finding the Fourth Proportional to 742,124.96, 1,023,500.28 and 570,458.45

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Solution

The fourth proportional to 742,124.96, 1,023,500.28 and 570,458.45 is: 786,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,124.96 : 1,023,500.28 = 570,458.45 : x
  2. Step 2: Convert to fraction form
    742,124.96/1,023,500.28 = 570,458.45/x
  3. Step 3: Cross multiply
    742,124.96x = 1,023,500.28 × 570,458.45
  4. Step 4: Simplify right side
    742,124.96x = 583,864,380,639.73
  5. Step 5: Solve for x
    x = 583,864,380,639.73/742,124.96
  6. Step 6: Final answer
    x = 786,746.72

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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.