Home / 877,600.68-1,210,728.28-533,381.14

Finding the Fourth Proportional to 877,600.68, 1,210,728.28 and 533,381.14

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Solution

The fourth proportional to 877,600.68, 1,210,728.28 and 533,381.14 is: 735,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,600.68 : 1,210,728.28 = 533,381.14 : x
  2. Step 2: Convert to fraction form
    877,600.68/1,210,728.28 = 533,381.14/x
  3. Step 3: Cross multiply
    877,600.68x = 1,210,728.28 × 533,381.14
  4. Step 4: Simplify right side
    877,600.68x = 645,779,630,216.64
  5. Step 5: Solve for x
    x = 645,779,630,216.64/877,600.68
  6. Step 6: Final answer
    x = 735,846.78

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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.