Home / 964,784.32-1,331,482.14-535,203.20

Finding the Fourth Proportional to 964,784.32, 1,331,482.14 and 535,203.20

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Solution

The fourth proportional to 964,784.32, 1,331,482.14 and 535,203.20 is: 738,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,784.32 : 1,331,482.14 = 535,203.20 : x
  2. Step 2: Convert to fraction form
    964,784.32/1,331,482.14 = 535,203.20/x
  3. Step 3: Cross multiply
    964,784.32x = 1,331,482.14 × 535,203.20
  4. Step 4: Simplify right side
    964,784.32x = 712,613,502,070.85
  5. Step 5: Solve for x
    x = 712,613,502,070.85/964,784.32
  6. Step 6: Final answer
    x = 738,624.67

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.