Home / 849,303.29-1,172,070.87-486,797.10

Finding the Fourth Proportional to 849,303.29, 1,172,070.87 and 486,797.10

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Solution

The fourth proportional to 849,303.29, 1,172,070.87 and 486,797.10 is: 671,798.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,303.29 : 1,172,070.87 = 486,797.10 : x
  2. Step 2: Convert to fraction form
    849,303.29/1,172,070.87 = 486,797.10/x
  3. Step 3: Cross multiply
    849,303.29x = 1,172,070.87 × 486,797.10
  4. Step 4: Simplify right side
    849,303.29x = 570,560,700,510.48
  5. Step 5: Solve for x
    x = 570,560,700,510.48/849,303.29
  6. Step 6: Final answer
    x = 671,798.53

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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.