Home / 983,990.02-1,357,908.69-570,606.93

Finding the Fourth Proportional to 983,990.02, 1,357,908.69 and 570,606.93

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Solution

The fourth proportional to 983,990.02, 1,357,908.69 and 570,606.93 is: 787,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,990.02 : 1,357,908.69 = 570,606.93 : x
  2. Step 2: Convert to fraction form
    983,990.02/1,357,908.69 = 570,606.93/x
  3. Step 3: Cross multiply
    983,990.02x = 1,357,908.69 × 570,606.93
  4. Step 4: Simplify right side
    983,990.02x = 774,832,102,031.68
  5. Step 5: Solve for x
    x = 774,832,102,031.68/983,990.02
  6. Step 6: Final answer
    x = 787,438.98

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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.