Home / 944,970.32-1,304,030.40-515,258.84

Finding the Fourth Proportional to 944,970.32, 1,304,030.40 and 515,258.84

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Solution

The fourth proportional to 944,970.32, 1,304,030.40 and 515,258.84 is: 711,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,970.32 : 1,304,030.40 = 515,258.84 : x
  2. Step 2: Convert to fraction form
    944,970.32/1,304,030.40 = 515,258.84/x
  3. Step 3: Cross multiply
    944,970.32x = 1,304,030.40 × 515,258.84
  4. Step 4: Simplify right side
    944,970.32x = 671,913,191,228.74
  5. Step 5: Solve for x
    x = 671,913,191,228.74/944,970.32
  6. Step 6: Final answer
    x = 711,041.58

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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.