Home / 775,658.48-1,069,526.16-546,142.40

Finding the Fourth Proportional to 775,658.48, 1,069,526.16 and 546,142.40

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Solution

The fourth proportional to 775,658.48, 1,069,526.16 and 546,142.40 is: 753,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,658.48 : 1,069,526.16 = 546,142.40 : x
  2. Step 2: Convert to fraction form
    775,658.48/1,069,526.16 = 546,142.40/x
  3. Step 3: Cross multiply
    775,658.48x = 1,069,526.16 × 546,142.40
  4. Step 4: Simplify right side
    775,658.48x = 584,113,578,537.55
  5. Step 5: Solve for x
    x = 584,113,578,537.55/775,658.48
  6. Step 6: Final answer
    x = 753,055.11

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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.