Home / 920,886.48-1,270,825.56-533,776.68

Finding the Fourth Proportional to 920,886.48, 1,270,825.56 and 533,776.68

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Solution

The fourth proportional to 920,886.48, 1,270,825.56 and 533,776.68 is: 736,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,886.48 : 1,270,825.56 = 533,776.68 : x
  2. Step 2: Convert to fraction form
    920,886.48/1,270,825.56 = 533,776.68/x
  3. Step 3: Cross multiply
    920,886.48x = 1,270,825.56 × 533,776.68
  4. Step 4: Simplify right side
    920,886.48x = 678,337,048,275.94
  5. Step 5: Solve for x
    x = 678,337,048,275.94/920,886.48
  6. Step 6: Final answer
    x = 736,613.10

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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.