Home / 983,038.66-1,356,592.95-553,321.06

Finding the Fourth Proportional to 983,038.66, 1,356,592.95 and 553,321.06

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Solution

The fourth proportional to 983,038.66, 1,356,592.95 and 553,321.06 is: 763,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,038.66 : 1,356,592.95 = 553,321.06 : x
  2. Step 2: Convert to fraction form
    983,038.66/1,356,592.95 = 553,321.06/x
  3. Step 3: Cross multiply
    983,038.66x = 1,356,592.95 × 553,321.06
  4. Step 4: Simplify right side
    983,038.66x = 750,631,449,082.53
  5. Step 5: Solve for x
    x = 750,631,449,082.53/983,038.66
  6. Step 6: Final answer
    x = 763,582.84

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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.