Home / 623,931.10-935,896.65-545,199.10

Finding the Fourth Proportional to 623,931.10, 935,896.65 and 545,199.10

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Solution

The fourth proportional to 623,931.10, 935,896.65 and 545,199.10 is: 817,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,931.10 : 935,896.65 = 545,199.10 : x
  2. Step 2: Convert to fraction form
    623,931.10/935,896.65 = 545,199.10/x
  3. Step 3: Cross multiply
    623,931.10x = 935,896.65 × 545,199.10
  4. Step 4: Simplify right side
    623,931.10x = 510,250,011,273.02
  5. Step 5: Solve for x
    x = 510,250,011,273.02/623,931.10
  6. Step 6: Final answer
    x = 817,798.65

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