Home / 983,194.68-1,356,834.15-553,490.40

Finding the Fourth Proportional to 983,194.68, 1,356,834.15 and 553,490.40

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Solution

The fourth proportional to 983,194.68, 1,356,834.15 and 553,490.40 is: 763,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,194.68 : 1,356,834.15 = 553,490.40 : x
  2. Step 2: Convert to fraction form
    983,194.68/1,356,834.15 = 553,490.40/x
  3. Step 3: Cross multiply
    983,194.68x = 1,356,834.15 × 553,490.40
  4. Step 4: Simplify right side
    983,194.68x = 750,994,676,417.16
  5. Step 5: Solve for x
    x = 750,994,676,417.16/983,194.68
  6. Step 6: Final answer
    x = 763,831.10

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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.