Home / 688,601.10-1,032,901.65-611,837.40

Finding the Fourth Proportional to 688,601.10, 1,032,901.65 and 611,837.40

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Solution

The fourth proportional to 688,601.10, 1,032,901.65 and 611,837.40 is: 917,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,601.10 : 1,032,901.65 = 611,837.40 : x
  2. Step 2: Convert to fraction form
    688,601.10/1,032,901.65 = 611,837.40/x
  3. Step 3: Cross multiply
    688,601.10x = 1,032,901.65 × 611,837.40
  4. Step 4: Simplify right side
    688,601.10x = 631,967,859,991.71
  5. Step 5: Solve for x
    x = 631,967,859,991.71/688,601.10
  6. Step 6: Final answer
    x = 917,756.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.