Home / 1,013,717.02-1,398,779.01-615,688.32

Finding the Fourth Proportional to 1,013,717.02, 1,398,779.01 and 615,688.32

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Solution

The fourth proportional to 1,013,717.02, 1,398,779.01 and 615,688.32 is: 849,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,717.02 : 1,398,779.01 = 615,688.32 : x
  2. Step 2: Convert to fraction form
    1,013,717.02/1,398,779.01 = 615,688.32/x
  3. Step 3: Cross multiply
    1,013,717.02x = 1,398,779.01 × 615,688.32
  4. Step 4: Simplify right side
    1,013,717.02x = 861,211,898,718.16
  5. Step 5: Solve for x
    x = 861,211,898,718.16/1,013,717.02
  6. Step 6: Final answer
    x = 849,558.49

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Double scale
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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.