Home / 830,867.76-1,146,598.32-448,894.85

Finding the Fourth Proportional to 830,867.76, 1,146,598.32 and 448,894.85

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Solution

The fourth proportional to 830,867.76, 1,146,598.32 and 448,894.85 is: 619,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,867.76 : 1,146,598.32 = 448,894.85 : x
  2. Step 2: Convert to fraction form
    830,867.76/1,146,598.32 = 448,894.85/x
  3. Step 3: Cross multiply
    830,867.76x = 1,146,598.32 × 448,894.85
  4. Step 4: Simplify right side
    830,867.76x = 514,702,075,133.66
  5. Step 5: Solve for x
    x = 514,702,075,133.66/830,867.76
  6. Step 6: Final answer
    x = 619,475.32

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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.