Home / 1,258,528.59-1,736,640-707,156.73

Finding the Fourth Proportional to 1,258,528.59, 1,736,640 and 707,156.73

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Solution

The fourth proportional to 1,258,528.59, 1,736,640 and 707,156.73 is: 975,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,528.59 : 1,736,640 = 707,156.73 : x
  2. Step 2: Convert to fraction form
    1,258,528.59/1,736,640 = 707,156.73/x
  3. Step 3: Cross multiply
    1,258,528.59x = 1,736,640 × 707,156.73
  4. Step 4: Simplify right side
    1,258,528.59x = 1,228,076,663,587.20
  5. Step 5: Solve for x
    x = 1,228,076,663,587.20/1,258,528.59
  6. Step 6: Final answer
    x = 975,803.55

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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.