Home / 742,149.94-1,024,263.52-415,587.32

Finding the Fourth Proportional to 742,149.94, 1,024,263.52 and 415,587.32

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Solution

The fourth proportional to 742,149.94, 1,024,263.52 and 415,587.32 is: 573,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,149.94 : 1,024,263.52 = 415,587.32 : x
  2. Step 2: Convert to fraction form
    742,149.94/1,024,263.52 = 415,587.32/x
  3. Step 3: Cross multiply
    742,149.94x = 1,024,263.52 × 415,587.32
  4. Step 4: Simplify right side
    742,149.94x = 425,670,931,250.57
  5. Step 5: Solve for x
    x = 425,670,931,250.57/742,149.94
  6. Step 6: Final answer
    x = 573,564.60

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Double scale
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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.