Home / 1,013,738.66-1,398,808.80-615,710

Finding the Fourth Proportional to 1,013,738.66, 1,398,808.80 and 615,710

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Solution

The fourth proportional to 1,013,738.66, 1,398,808.80 and 615,710 is: 849,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,738.66 : 1,398,808.80 = 615,710 : x
  2. Step 2: Convert to fraction form
    1,013,738.66/1,398,808.80 = 615,710/x
  3. Step 3: Cross multiply
    1,013,738.66x = 1,398,808.80 × 615,710
  4. Step 4: Simplify right side
    1,013,738.66x = 861,260,566,248
  5. Step 5: Solve for x
    x = 861,260,566,248/1,013,738.66
  6. Step 6: Final answer
    x = 849,588.36

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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.